456675][ T4577] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.588994][ T4579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.590198][ T4579] CPU: 1 PID: 4579 Comm: syz.1.36 Not tainted syzkaller #0 [ 86.591292][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.592821][ T4579] Call trace: [ 86.593316][ T4579] dump_backtrace+0x1c8/0x1f4 [ 86.593997][ T4579] show_stack+0x2c/0x3c [ 86.594647][ T4579] __dump_stack+0x30/0x40 [ 86.595278][ T4579] dump_stack_lvl+0xf8/0x160 [ 86.596041][ T4579] dump_stack+0x1c/0x5c [ 86.596691][ T4579] sysfs_create_dir_ns+0x22c/0x24c [ 86.597438][ T4579] kobject_add_internal+0x5a8/0xb30 [ 86.598257][ T4579] kobject_init_and_add+0x118/0x17c [ 86.599093][ T4579] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.599869][ T4579] gfs2_fill_super+0xdec/0x19ec [ 86.600550][ T4579] get_tree_bdev+0x358/0x544 [ 86.601177][ T4579] gfs2_get_tree+0x54/0x1b4 [ 86.601860][ T4579] vfs_get_tree+0x90/0x274 [ 86.602482][ T4579] do_new_mount+0x228/0x810 [ 86.603107][ T4579] path_mount+0x5b4/0xe78 [ 86.603699][ T4579] __arm64_sys_mount+0x49c/0x584 [ 86.604396][ T4579] invoke_syscall+0x98/0x2bc [ 86.605080][ T4579] el0_svc_common+0x138/0x258 [ 86.605751][ T4579] do_el0_svc+0x58/0x13c [ 86.606351][ T4579] el0_svc+0x58/0x138 [ 86.606954][ T4579] el0t_64_sync_handler+0x84/0xf0 [ 86.607697][ T4579] el0t_64_sync+0x18c/0x190 [ 86.609198][ T4579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.611555][ T4579] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.745077][ T4581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.746246][ T4581] CPU: 0 PID: 4581 Comm: syz.1.37 Not tainted syzkaller #0 [ 86.747335][ T4581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.748773][ T4581] Call trace: [ 86.749281][ T4581] dump_backtrace+0x1c8/0x1f4 [ 86.749982][ T4581] show_stack+0x2c/0x3c [ 86.750567][ T4581] __dump_stack+0x30/0x40 [ 86.751178][ T4581] dump_stack_lvl+0xf8/0x160 [ 86.751814][ T4581] dump_stack+0x1c/0x5c [ 86.752413][ T4581] sysfs_create_dir_ns+0x22c/0x24c [ 86.753141][ T4581] kobject_add_internal+0x5a8/0xb30 [ 86.753880][ T4581] kobject_init_and_add+0x118/0x17c [ 86.754669][ T4581] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.755417][ T4581] gfs2_fill_super+0xdec/0x19ec [ 86.756160][ T4581] get_tree_bdev+0x358/0x544 [ 86.756824][ T4581] gfs2_get_tree+0x54/0x1b4 [ 86.757501][ T4581] vfs_get_tree+0x90/0x274 [ 86.758156][ T4581] do_new_mount+0x228/0x810 [ 86.758816][ T4581] path_mount+0x5b4/0xe78 [ 86.759439][ T4581] __arm64_sys_mount+0x49c/0x584 [ 86.760153][ T4581] invoke_syscall+0x98/0x2bc [ 86.760787][ T4581] el0_svc_common+0x138/0x258 [ 86.761415][ T4581] do_el0_svc+0x58/0x13c [ 86.762043][ T4581] el0_svc+0x58/0x138 [ 86.762647][ T4581] el0t_64_sync_handler+0x84/0xf0 [ 86.763370][ T4581] el0t_64_sync+0x18c/0x190 [ 86.765447][ T4581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.767525][ T4581] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 86.901494][ T4583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 86.903085][ T4583] CPU: 1 PID: 4583 Comm: syz.1.38 Not tainted syzkaller #0 [ 86.904186][ T4583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 86.905762][ T4583] Call trace: [ 86.906266][ T4583] dump_backtrace+0x1c8/0x1f4 [ 86.907051][ T4583] show_stack+0x2c/0x3c [ 86.907732][ T4583] __dump_stack+0x30/0x40 [ 86.908354][ T4583] dump_stack_lvl+0xf8/0x160 [ 86.909022][ T4583] dump_stack+0x1c/0x5c [ 86.909637][ T4583] sysfs_create_dir_ns+0x22c/0x24c [ 86.910362][ T4583] kobject_add_internal+0x5a8/0xb30 [ 86.911226][ T4583] kobject_init_and_add+0x118/0x17c [ 86.911963][ T4583] gfs2_sys_fs_add+0x1dc/0x3d8 [ 86.912657][ T4583] gfs2_fill_super+0xdec/0x19ec [ 86.913387][ T4583] get_tree_bdev+0x358/0x544 [ 86.914093][ T4583] gfs2_get_tree+0x54/0x1b4 [ 86.914732][ T4583] vfs_get_tree+0x90/0x274 [ 86.915404][ T4583] do_new_mount+0x228/0x810 [ 86.916017][ T4583] path_mount+0x5b4/0xe78 [ 86.916635][ T4583] __arm64_sys_mount+0x49c/0x584 [ 86.917345][ T4583] invoke_syscall+0x98/0x2bc [ 86.918073][ T4583] el0_svc_common+0x138/0x258 [ 86.918787][ T4583] do_el0_svc+0x58/0x13c [ 86.919458][ T4583] el0_svc+0x58/0x138 [ 86.920022][ T4583] el0t_64_sync_handler+0x84/0xf0 [ 86.920811][ T4583] el0t_64_sync+0x18c/0x190 [ 86.922777][ T4583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 86.924994][ T4583] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.052400][ T4585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.053612][ T4585] CPU: 0 PID: 4585 Comm: syz.1.39 Not tainted syzkaller #0 [ 87.054760][ T4585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.056326][ T4585] Call trace: [ 87.056877][ T4585] dump_backtrace+0x1c8/0x1f4 [ 87.057572][ T4585] show_stack+0x2c/0x3c [ 87.058207][ T4585] __dump_stack+0x30/0x40 [ 87.058834][ T4585] dump_stack_lvl+0xf8/0x160 [ 87.059506][ T4585] dump_stack+0x1c/0x5c [ 87.060105][ T4585] sysfs_create_dir_ns+0x22c/0x24c [ 87.060838][ T4585] kobject_add_internal+0x5a8/0xb30 [ 87.061625][ T4585] kobject_init_and_add+0x118/0x17c [ 87.062421][ T4585] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.063141][ T4585] gfs2_fill_super+0xdec/0x19ec [ 87.063840][ T4585] get_tree_bdev+0x358/0x544 [ 87.064475][ T4585] gfs2_get_tree+0x54/0x1b4 [ 87.065145][ T4585] vfs_get_tree+0x90/0x274 [ 87.065874][ T4585] do_new_mount+0x228/0x810 [ 87.066540][ T4585] path_mount+0x5b4/0xe78 [ 87.067154][ T4585] __arm64_sys_mount+0x49c/0x584 [ 87.067884][ T4585] invoke_syscall+0x98/0x2bc [ 87.068560][ T4585] el0_svc_common+0x138/0x258 [ 87.069286][ T4585] do_el0_svc+0x58/0x13c [ 87.069868][ T4585] el0_svc+0x58/0x138 [ 87.070448][ T4585] el0t_64_sync_handler+0x84/0xf0 [ 87.071151][ T4585] el0t_64_sync+0x18c/0x190 [ 87.073175][ T4585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.075423][ T4585] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.212426][ T4587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.214238][ T4587] CPU: 1 PID: 4587 Comm: syz.1.40 Not tainted syzkaller #0 [ 87.215348][ T4587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.216899][ T4587] Call trace: [ 87.217399][ T4587] dump_backtrace+0x1c8/0x1f4 [ 87.218076][ T4587] show_stack+0x2c/0x3c [ 87.218687][ T4587] __dump_stack+0x30/0x40 [ 87.219304][ T4587] dump_stack_lvl+0xf8/0x160 [ 87.219985][ T4587] dump_stack+0x1c/0x5c [ 87.220640][ T4587] sysfs_create_dir_ns+0x22c/0x24c [ 87.221474][ T4587] kobject_add_internal+0x5a8/0xb30 [ 87.222261][ T4587] kobject_init_and_add+0x118/0x17c [ 87.223066][ T4587] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.223786][ T4587] gfs2_fill_super+0xdec/0x19ec [ 87.224550][ T4587] get_tree_bdev+0x358/0x544 [ 87.225222][ T4587] gfs2_get_tree+0x54/0x1b4 [ 87.225872][ T4587] vfs_get_tree+0x90/0x274 [ 87.226603][ T4587] do_new_mount+0x228/0x810 [ 87.227243][ T4587] path_mount+0x5b4/0xe78 [ 87.227995][ T4587] __arm64_sys_mount+0x49c/0x584 [ 87.228866][ T4587] invoke_syscall+0x98/0x2bc [ 87.229680][ T4587] el0_svc_common+0x138/0x258 [ 87.230460][ T4587] do_el0_svc+0x58/0x13c [ 87.231241][ T4587] el0_svc+0x58/0x138 [ 87.231875][ T4587] el0t_64_sync_handler+0x84/0xf0 [ 87.232689][ T4587] el0t_64_sync+0x18c/0x190 [ 87.236558][ T4587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.238573][ T4587] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.274565][ T4412] Bluetooth: hci1: command 0x041b tx timeout [ 87.358454][ T4589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.359631][ T4589] CPU: 0 PID: 4589 Comm: syz.1.41 Not tainted syzkaller #0 [ 87.360785][ T4589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.362466][ T4589] Call trace: [ 87.362973][ T4589] dump_backtrace+0x1c8/0x1f4 [ 87.363736][ T4589] show_stack+0x2c/0x3c [ 87.364369][ T4589] __dump_stack+0x30/0x40 [ 87.365050][ T4589] dump_stack_lvl+0xf8/0x160 [ 87.365808][ T4589] dump_stack+0x1c/0x5c [ 87.366470][ T4589] sysfs_create_dir_ns+0x22c/0x24c [ 87.367284][ T4589] kobject_add_internal+0x5a8/0xb30 [ 87.368048][ T4589] kobject_init_and_add+0x118/0x17c [ 87.368817][ T4589] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.369497][ T4589] gfs2_fill_super+0xdec/0x19ec [ 87.370235][ T4589] get_tree_bdev+0x358/0x544 [ 87.371023][ T4589] gfs2_get_tree+0x54/0x1b4 [ 87.371670][ T4589] vfs_get_tree+0x90/0x274 [ 87.372329][ T4589] do_new_mount+0x228/0x810 [ 87.373042][ T4589] path_mount+0x5b4/0xe78 [ 87.373676][ T4589] __arm64_sys_mount+0x49c/0x584 [ 87.374426][ T4589] invoke_syscall+0x98/0x2bc [ 87.375112][ T4589] el0_svc_common+0x138/0x258 [ 87.375833][ T4589] do_el0_svc+0x58/0x13c [ 87.376477][ T4589] el0_svc+0x58/0x138 [ 87.377099][ T4589] el0t_64_sync_handler+0x84/0xf0 [ 87.377898][ T4589] el0t_64_sync+0x18c/0x190 [ 87.380052][ T4589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.381932][ T4589] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.513411][ T4591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.515040][ T4591] CPU: 1 PID: 4591 Comm: syz.1.42 Not tainted syzkaller #0 [ 87.516150][ T4591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.517814][ T4591] Call trace: [ 87.518404][ T4591] dump_backtrace+0x1c8/0x1f4 [ 87.519142][ T4591] show_stack+0x2c/0x3c [ 87.519791][ T4591] __dump_stack+0x30/0x40 [ 87.520510][ T4591] dump_stack_lvl+0xf8/0x160 [ 87.521225][ T4591] dump_stack+0x1c/0x5c [ 87.521887][ T4591] sysfs_create_dir_ns+0x22c/0x24c [ 87.522643][ T4591] kobject_add_internal+0x5a8/0xb30 [ 87.523498][ T4591] kobject_init_and_add+0x118/0x17c [ 87.524284][ T4591] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.525051][ T4591] gfs2_fill_super+0xdec/0x19ec [ 87.525815][ T4591] get_tree_bdev+0x358/0x544 [ 87.526506][ T4591] gfs2_get_tree+0x54/0x1b4 [ 87.527158][ T4591] vfs_get_tree+0x90/0x274 [ 87.527862][ T4591] do_new_mount+0x228/0x810 [ 87.528519][ T4591] path_mount+0x5b4/0xe78 [ 87.529142][ T4591] __arm64_sys_mount+0x49c/0x584 [ 87.529913][ T4591] invoke_syscall+0x98/0x2bc [ 87.530561][ T4591] el0_svc_common+0x138/0x258 [ 87.531243][ T4591] do_el0_svc+0x58/0x13c [ 87.531894][ T4591] el0_svc+0x58/0x138 [ 87.532486][ T4591] el0t_64_sync_handler+0x84/0xf0 [ 87.533242][ T4591] el0t_64_sync+0x18c/0x190 [ 87.534034][ T4591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.537490][ T4591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.673637][ T4593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.675140][ T4593] CPU: 1 PID: 4593 Comm: syz.1.43 Not tainted syzkaller #0 [ 87.676276][ T4593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.677948][ T4593] Call trace: [ 87.678519][ T4593] dump_backtrace+0x1c8/0x1f4 [ 87.679344][ T4593] show_stack+0x2c/0x3c [ 87.680111][ T4593] __dump_stack+0x30/0x40 [ 87.680827][ T4593] dump_stack_lvl+0xf8/0x160 [ 87.681594][ T4593] dump_stack+0x1c/0x5c [ 87.682232][ T4593] sysfs_create_dir_ns+0x22c/0x24c [ 87.683062][ T4593] kobject_add_internal+0x5a8/0xb30 [ 87.683865][ T4593] kobject_init_and_add+0x118/0x17c [ 87.684677][ T4593] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.685401][ T4593] gfs2_fill_super+0xdec/0x19ec [ 87.686157][ T4593] get_tree_bdev+0x358/0x544 [ 87.686857][ T4593] gfs2_get_tree+0x54/0x1b4 [ 87.687517][ T4593] vfs_get_tree+0x90/0x274 [ 87.688207][ T4593] do_new_mount+0x228/0x810 [ 87.688894][ T4593] path_mount+0x5b4/0xe78 [ 87.689576][ T4593] __arm64_sys_mount+0x49c/0x584 [ 87.690348][ T4593] invoke_syscall+0x98/0x2bc [ 87.691110][ T4593] el0_svc_common+0x138/0x258 [ 87.691928][ T4593] do_el0_svc+0x58/0x13c [ 87.692577][ T4593] el0_svc+0x58/0x138 [ 87.693195][ T4593] el0t_64_sync_handler+0x84/0xf0 [ 87.693960][ T4593] el0t_64_sync+0x18c/0x190 [ 87.697562][ T4593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.699659][ T4593] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.823224][ T4595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.824552][ T4595] CPU: 0 PID: 4595 Comm: syz.1.44 Not tainted syzkaller #0 [ 87.825605][ T4595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.827045][ T4595] Call trace: [ 87.827523][ T4595] dump_backtrace+0x1c8/0x1f4 [ 87.828204][ T4595] show_stack+0x2c/0x3c [ 87.828873][ T4595] __dump_stack+0x30/0x40 [ 87.829536][ T4595] dump_stack_lvl+0xf8/0x160 [ 87.830151][ T4595] dump_stack+0x1c/0x5c [ 87.830726][ T4595] sysfs_create_dir_ns+0x22c/0x24c [ 87.831520][ T4595] kobject_add_internal+0x5a8/0xb30 [ 87.832269][ T4595] kobject_init_and_add+0x118/0x17c [ 87.833022][ T4595] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.833756][ T4595] gfs2_fill_super+0xdec/0x19ec [ 87.834507][ T4595] get_tree_bdev+0x358/0x544 [ 87.835232][ T4595] gfs2_get_tree+0x54/0x1b4 [ 87.835963][ T4595] vfs_get_tree+0x90/0x274 [ 87.836688][ T4595] do_new_mount+0x228/0x810 [ 87.837411][ T4595] path_mount+0x5b4/0xe78 [ 87.838087][ T4595] __arm64_sys_mount+0x49c/0x584 [ 87.838868][ T4595] invoke_syscall+0x98/0x2bc [ 87.839560][ T4595] el0_svc_common+0x138/0x258 [ 87.840245][ T4595] do_el0_svc+0x58/0x13c [ 87.840822][ T4595] el0_svc+0x58/0x138 [ 87.841384][ T4595] el0t_64_sync_handler+0x84/0xf0 [ 87.842141][ T4595] el0t_64_sync+0x18c/0x190 [ 87.843071][ T4595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.845035][ T4595] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 87.968297][ T4597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 87.969399][ T4597] CPU: 0 PID: 4597 Comm: syz.1.45 Not tainted syzkaller #0 [ 87.970465][ T4597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 87.972040][ T4597] Call trace: [ 87.972480][ T4597] dump_backtrace+0x1c8/0x1f4 [ 87.973270][ T4597] show_stack+0x2c/0x3c [ 87.973909][ T4597] __dump_stack+0x30/0x40 [ 87.974570][ T4597] dump_stack_lvl+0xf8/0x160 [ 87.975256][ T4597] dump_stack+0x1c/0x5c [ 87.975827][ T4597] sysfs_create_dir_ns+0x22c/0x24c [ 87.976629][ T4597] kobject_add_internal+0x5a8/0xb30 [ 87.977458][ T4597] kobject_init_and_add+0x118/0x17c [ 87.978294][ T4597] gfs2_sys_fs_add+0x1dc/0x3d8 [ 87.979026][ T4597] gfs2_fill_super+0xdec/0x19ec [ 87.979763][ T4597] get_tree_bdev+0x358/0x544 [ 87.980542][ T4597] gfs2_get_tree+0x54/0x1b4 [ 87.981230][ T4597] vfs_get_tree+0x90/0x274 [ 87.981927][ T4597] do_new_mount+0x228/0x810 [ 87.982607][ T4597] path_mount+0x5b4/0xe78 [ 87.983247][ T4597] __arm64_sys_mount+0x49c/0x584 [ 87.984004][ T4597] invoke_syscall+0x98/0x2bc [ 87.984694][ T4597] el0_svc_common+0x138/0x258 [ 87.985420][ T4597] do_el0_svc+0x58/0x13c [ 87.986063][ T4597] el0_svc+0x58/0x138 [ 87.986655][ T4597] el0t_64_sync_handler+0x84/0xf0 [ 87.987419][ T4597] el0t_64_sync+0x18c/0x190 [ 87.989312][ T4597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 87.991184][ T4597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.113419][ T4599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.114714][ T4599] CPU: 1 PID: 4599 Comm: syz.1.46 Not tainted syzkaller #0 [ 88.115805][ T4599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.117280][ T4599] Call trace: [ 88.117783][ T4599] dump_backtrace+0x1c8/0x1f4 [ 88.118546][ T4599] show_stack+0x2c/0x3c [ 88.119191][ T4599] __dump_stack+0x30/0x40 [ 88.119882][ T4599] dump_stack_lvl+0xf8/0x160 [ 88.120591][ T4599] dump_stack+0x1c/0x5c [ 88.121214][ T4599] sysfs_create_dir_ns+0x22c/0x24c [ 88.121967][ T4599] kobject_add_internal+0x5a8/0xb30 [ 88.122756][ T4599] kobject_init_and_add+0x118/0x17c [ 88.123551][ T4599] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.124281][ T4599] gfs2_fill_super+0xdec/0x19ec [ 88.125048][ T4599] get_tree_bdev+0x358/0x544 [ 88.125738][ T4599] gfs2_get_tree+0x54/0x1b4 [ 88.126424][ T4599] vfs_get_tree+0x90/0x274 [ 88.127129][ T4599] do_new_mount+0x228/0x810 [ 88.127794][ T4599] path_mount+0x5b4/0xe78 [ 88.128414][ T4599] __arm64_sys_mount+0x49c/0x584 [ 88.129163][ T4599] invoke_syscall+0x98/0x2bc [ 88.129896][ T4599] el0_svc_common+0x138/0x258 [ 88.130576][ T4599] do_el0_svc+0x58/0x13c [ 88.131207][ T4599] el0_svc+0x58/0x138 [ 88.131807][ T4599] el0t_64_sync_handler+0x84/0xf0 [ 88.132535][ T4599] el0t_64_sync+0x18c/0x190 [ 88.134573][ T4599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.136647][ T4599] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.266420][ T4601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.267598][ T4601] CPU: 1 PID: 4601 Comm: syz.1.47 Not tainted syzkaller #0 [ 88.268689][ T4601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.270081][ T4601] Call trace: [ 88.270580][ T4601] dump_backtrace+0x1c8/0x1f4 [ 88.271265][ T4601] show_stack+0x2c/0x3c [ 88.271844][ T4601] __dump_stack+0x30/0x40 [ 88.272470][ T4601] dump_stack_lvl+0xf8/0x160 [ 88.273162][ T4601] dump_stack+0x1c/0x5c [ 88.273781][ T4601] sysfs_create_dir_ns+0x22c/0x24c [ 88.274532][ T4601] kobject_add_internal+0x5a8/0xb30 [ 88.275324][ T4601] kobject_init_and_add+0x118/0x17c [ 88.276102][ T4601] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.276815][ T4601] gfs2_fill_super+0xdec/0x19ec [ 88.277506][ T4601] get_tree_bdev+0x358/0x544 [ 88.278191][ T4601] gfs2_get_tree+0x54/0x1b4 [ 88.278823][ T4601] vfs_get_tree+0x90/0x274 [ 88.279484][ T4601] do_new_mount+0x228/0x810 [ 88.280159][ T4601] path_mount+0x5b4/0xe78 [ 88.280782][ T4601] __arm64_sys_mount+0x49c/0x584 [ 88.281547][ T4601] invoke_syscall+0x98/0x2bc [ 88.282201][ T4601] el0_svc_common+0x138/0x258 [ 88.282884][ T4601] do_el0_svc+0x58/0x13c [ 88.283579][ T4601] el0_svc+0x58/0x138 [ 88.284174][ T4601] el0t_64_sync_handler+0x84/0xf0 [ 88.284968][ T4601] el0t_64_sync+0x18c/0x190 [ 88.286943][ T4601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.289085][ T4601] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.408888][ T4603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.410110][ T4603] CPU: 0 PID: 4603 Comm: syz.1.48 Not tainted syzkaller #0 [ 88.411267][ T4603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.412951][ T4603] Call trace: [ 88.413461][ T4603] dump_backtrace+0x1c8/0x1f4 [ 88.414253][ T4603] show_stack+0x2c/0x3c [ 88.414880][ T4603] __dump_stack+0x30/0x40 [ 88.415591][ T4603] dump_stack_lvl+0xf8/0x160 [ 88.416331][ T4603] dump_stack+0x1c/0x5c [ 88.417029][ T4603] sysfs_create_dir_ns+0x22c/0x24c [ 88.417787][ T4603] kobject_add_internal+0x5a8/0xb30 [ 88.418550][ T4603] kobject_init_and_add+0x118/0x17c [ 88.419322][ T4603] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.420098][ T4603] gfs2_fill_super+0xdec/0x19ec [ 88.420862][ T4603] get_tree_bdev+0x358/0x544 [ 88.421561][ T4603] gfs2_get_tree+0x54/0x1b4 [ 88.422277][ T4603] vfs_get_tree+0x90/0x274 [ 88.422962][ T4603] do_new_mount+0x228/0x810 [ 88.423643][ T4603] path_mount+0x5b4/0xe78 [ 88.424321][ T4603] __arm64_sys_mount+0x49c/0x584 [ 88.425075][ T4603] invoke_syscall+0x98/0x2bc [ 88.425788][ T4603] el0_svc_common+0x138/0x258 [ 88.426510][ T4603] do_el0_svc+0x58/0x13c [ 88.427140][ T4603] el0_svc+0x58/0x138 [ 88.427688][ T4603] el0t_64_sync_handler+0x84/0xf0 [ 88.428425][ T4603] el0t_64_sync+0x18c/0x190 [ 88.429258][ T4603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.431154][ T4603] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.560391][ T4605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.561572][ T4605] CPU: 1 PID: 4605 Comm: syz.1.49 Not tainted syzkaller #0 [ 88.562722][ T4605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.564262][ T4605] Call trace: [ 88.564763][ T4605] dump_backtrace+0x1c8/0x1f4 [ 88.565480][ T4605] show_stack+0x2c/0x3c [ 88.566178][ T4605] __dump_stack+0x30/0x40 [ 88.566837][ T4605] dump_stack_lvl+0xf8/0x160 [ 88.567521][ T4605] dump_stack+0x1c/0x5c [ 88.568149][ T4605] sysfs_create_dir_ns+0x22c/0x24c [ 88.568942][ T4605] kobject_add_internal+0x5a8/0xb30 [ 88.569714][ T4605] kobject_init_and_add+0x118/0x17c [ 88.570483][ T4605] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.571195][ T4605] gfs2_fill_super+0xdec/0x19ec [ 88.571954][ T4605] get_tree_bdev+0x358/0x544 [ 88.572701][ T4605] gfs2_get_tree+0x54/0x1b4 [ 88.573432][ T4605] vfs_get_tree+0x90/0x274 [ 88.574191][ T4605] do_new_mount+0x228/0x810 [ 88.574841][ T4605] path_mount+0x5b4/0xe78 [ 88.575468][ T4605] __arm64_sys_mount+0x49c/0x584 [ 88.576127][ T4605] invoke_syscall+0x98/0x2bc [ 88.576818][ T4605] el0_svc_common+0x138/0x258 [ 88.577497][ T4605] do_el0_svc+0x58/0x13c [ 88.578142][ T4605] el0_svc+0x58/0x138 [ 88.578685][ T4605] el0t_64_sync_handler+0x84/0xf0 [ 88.579374][ T4605] el0t_64_sync+0x18c/0x190 [ 88.581309][ T4605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.583382][ T4605] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.707667][ T4607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.708763][ T4607] CPU: 0 PID: 4607 Comm: syz.1.50 Not tainted syzkaller #0 [ 88.709797][ T4607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.711269][ T4607] Call trace: [ 88.711732][ T4607] dump_backtrace+0x1c8/0x1f4 [ 88.712407][ T4607] show_stack+0x2c/0x3c [ 88.713041][ T4607] __dump_stack+0x30/0x40 [ 88.713731][ T4607] dump_stack_lvl+0xf8/0x160 [ 88.714429][ T4607] dump_stack+0x1c/0x5c [ 88.715005][ T4607] sysfs_create_dir_ns+0x22c/0x24c [ 88.715785][ T4607] kobject_add_internal+0x5a8/0xb30 [ 88.716555][ T4607] kobject_init_and_add+0x118/0x17c [ 88.717334][ T4607] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.718086][ T4607] gfs2_fill_super+0xdec/0x19ec [ 88.718822][ T4607] get_tree_bdev+0x358/0x544 [ 88.719470][ T4607] gfs2_get_tree+0x54/0x1b4 [ 88.720143][ T4607] vfs_get_tree+0x90/0x274 [ 88.720822][ T4607] do_new_mount+0x228/0x810 [ 88.721481][ T4607] path_mount+0x5b4/0xe78 [ 88.722165][ T4607] __arm64_sys_mount+0x49c/0x584 [ 88.722990][ T4607] invoke_syscall+0x98/0x2bc [ 88.723719][ T4607] el0_svc_common+0x138/0x258 [ 88.724483][ T4607] do_el0_svc+0x58/0x13c [ 88.725177][ T4607] el0_svc+0x58/0x138 [ 88.725743][ T4607] el0t_64_sync_handler+0x84/0xf0 [ 88.726457][ T4607] el0t_64_sync+0x18c/0x190 [ 88.727543][ T4607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.729574][ T4607] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 88.856208][ T4609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 88.857436][ T4609] CPU: 1 PID: 4609 Comm: syz.1.51 Not tainted syzkaller #0 [ 88.858516][ T4609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 88.860092][ T4609] Call trace: [ 88.860625][ T4609] dump_backtrace+0x1c8/0x1f4 [ 88.861341][ T4609] show_stack+0x2c/0x3c [ 88.861940][ T4609] __dump_stack+0x30/0x40 [ 88.862603][ T4609] dump_stack_lvl+0xf8/0x160 [ 88.863274][ T4609] dump_stack+0x1c/0x5c [ 88.863845][ T4609] sysfs_create_dir_ns+0x22c/0x24c [ 88.864650][ T4609] kobject_add_internal+0x5a8/0xb30 [ 88.865424][ T4609] kobject_init_and_add+0x118/0x17c [ 88.866186][ T4609] gfs2_sys_fs_add+0x1dc/0x3d8 [ 88.866949][ T4609] gfs2_fill_super+0xdec/0x19ec [ 88.867672][ T4609] get_tree_bdev+0x358/0x544 [ 88.868352][ T4609] gfs2_get_tree+0x54/0x1b4 [ 88.869022][ T4609] vfs_get_tree+0x90/0x274 [ 88.869654][ T4609] do_new_mount+0x228/0x810 [ 88.870342][ T4609] path_mount+0x5b4/0xe78 [ 88.871035][ T4609] __arm64_sys_mount+0x49c/0x584 [ 88.871763][ T4609] invoke_syscall+0x98/0x2bc [ 88.872558][ T4609] el0_svc_common+0x138/0x258 [ 88.873294][ T4609] do_el0_svc+0x58/0x13c [ 88.874013][ T4609] el0_svc+0x58/0x138 [ 88.874658][ T4609] el0t_64_sync_handler+0x84/0xf0 [ 88.875430][ T4609] el0t_64_sync+0x18c/0x190 [ 88.876384][ T4609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 88.878425][ T4609] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:28 executed programs: 37 [ 89.006606][ T4611] set_capacity_and_notify: 23 callbacks suppressed [ 89.006615][ T4611] loop1: detected capacity change from 0 to 32768 [ 89.009347][ T4611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.010623][ T4611] CPU: 1 PID: 4611 Comm: syz.1.52 Not tainted syzkaller #0 [ 89.011740][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.013328][ T4611] Call trace: [ 89.013809][ T4611] dump_backtrace+0x1c8/0x1f4 [ 89.014639][ T4611] show_stack+0x2c/0x3c [ 89.015236][ T4611] __dump_stack+0x30/0x40 [ 89.015917][ T4611] dump_stack_lvl+0xf8/0x160 [ 89.016602][ T4611] dump_stack+0x1c/0x5c [ 89.017273][ T4611] sysfs_create_dir_ns+0x22c/0x24c [ 89.018018][ T4611] kobject_add_internal+0x5a8/0xb30 [ 89.018766][ T4611] kobject_init_and_add+0x118/0x17c [ 89.019534][ T4611] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.020273][ T4611] gfs2_fill_super+0xdec/0x19ec [ 89.020974][ T4611] get_tree_bdev+0x358/0x544 [ 89.021693][ T4611] gfs2_get_tree+0x54/0x1b4 [ 89.022346][ T4611] vfs_get_tree+0x90/0x274 [ 89.022971][ T4611] do_new_mount+0x228/0x810 [ 89.023647][ T4611] path_mount+0x5b4/0xe78 [ 89.024310][ T4611] __arm64_sys_mount+0x49c/0x584 [ 89.025016][ T4611] invoke_syscall+0x98/0x2bc [ 89.025732][ T4611] el0_svc_common+0x138/0x258 [ 89.026454][ T4611] do_el0_svc+0x58/0x13c [ 89.027044][ T4611] el0_svc+0x58/0x138 [ 89.027611][ T4611] el0t_64_sync_handler+0x84/0xf0 [ 89.028329][ T4611] el0t_64_sync+0x18c/0x190 [ 89.029209][ T4611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.031308][ T4611] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.149339][ T4613] loop1: detected capacity change from 0 to 32768 [ 89.154894][ T4613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.157182][ T4613] CPU: 1 PID: 4613 Comm: syz.1.53 Not tainted syzkaller #0 [ 89.158291][ T4613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.159728][ T4613] Call trace: [ 89.160177][ T4613] dump_backtrace+0x1c8/0x1f4 [ 89.160927][ T4613] show_stack+0x2c/0x3c [ 89.161550][ T4613] __dump_stack+0x30/0x40 [ 89.162153][ T4613] dump_stack_lvl+0xf8/0x160 [ 89.162826][ T4613] dump_stack+0x1c/0x5c [ 89.163416][ T4613] sysfs_create_dir_ns+0x22c/0x24c [ 89.164185][ T4613] kobject_add_internal+0x5a8/0xb30 [ 89.164991][ T4613] kobject_init_and_add+0x118/0x17c [ 89.165797][ T4613] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.166465][ T4613] gfs2_fill_super+0xdec/0x19ec [ 89.167259][ T4613] get_tree_bdev+0x358/0x544 [ 89.167906][ T4613] gfs2_get_tree+0x54/0x1b4 [ 89.168555][ T4613] vfs_get_tree+0x90/0x274 [ 89.169199][ T4613] do_new_mount+0x228/0x810 [ 89.169834][ T4613] path_mount+0x5b4/0xe78 [ 89.170456][ T4613] __arm64_sys_mount+0x49c/0x584 [ 89.171215][ T4613] invoke_syscall+0x98/0x2bc [ 89.171937][ T4613] el0_svc_common+0x138/0x258 [ 89.172640][ T4613] do_el0_svc+0x58/0x13c [ 89.173313][ T4613] el0_svc+0x58/0x138 [ 89.173929][ T4613] el0t_64_sync_handler+0x84/0xf0 [ 89.174701][ T4613] el0t_64_sync+0x18c/0x190 [ 89.175529][ T4613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.177497][ T4613] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.295671][ T4615] loop1: detected capacity change from 0 to 32768 [ 89.299046][ T4615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.300147][ T4615] CPU: 0 PID: 4615 Comm: syz.1.54 Not tainted syzkaller #0 [ 89.301224][ T4615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.302734][ T4615] Call trace: [ 89.303196][ T4615] dump_backtrace+0x1c8/0x1f4 [ 89.303837][ T4615] show_stack+0x2c/0x3c [ 89.304471][ T4615] __dump_stack+0x30/0x40 [ 89.305158][ T4615] dump_stack_lvl+0xf8/0x160 [ 89.305844][ T4615] dump_stack+0x1c/0x5c [ 89.306515][ T4615] sysfs_create_dir_ns+0x22c/0x24c [ 89.307217][ T4615] kobject_add_internal+0x5a8/0xb30 [ 89.308063][ T4615] kobject_init_and_add+0x118/0x17c [ 89.308814][ T4615] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.309527][ T4615] gfs2_fill_super+0xdec/0x19ec [ 89.310256][ T4615] get_tree_bdev+0x358/0x544 [ 89.310929][ T4615] gfs2_get_tree+0x54/0x1b4 [ 89.311629][ T4615] vfs_get_tree+0x90/0x274 [ 89.312250][ T4615] do_new_mount+0x228/0x810 [ 89.312919][ T4615] path_mount+0x5b4/0xe78 [ 89.313598][ T4615] __arm64_sys_mount+0x49c/0x584 [ 89.314348][ T4615] invoke_syscall+0x98/0x2bc [ 89.315075][ T4615] el0_svc_common+0x138/0x258 [ 89.315753][ T4615] do_el0_svc+0x58/0x13c [ 89.316422][ T4615] el0_svc+0x58/0x138 [ 89.317062][ T4615] el0t_64_sync_handler+0x84/0xf0 [ 89.317810][ T4615] el0t_64_sync+0x18c/0x190 [ 89.319862][ T4615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.321845][ T4615] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.354442][ T4412] Bluetooth: hci1: command 0x040f tx timeout [ 89.444690][ T4617] loop1: detected capacity change from 0 to 32768 [ 89.450522][ T4617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.451725][ T4617] CPU: 1 PID: 4617 Comm: syz.1.55 Not tainted syzkaller #0 [ 89.452878][ T4617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.454362][ T4617] Call trace: [ 89.454832][ T4617] dump_backtrace+0x1c8/0x1f4 [ 89.455496][ T4617] show_stack+0x2c/0x3c [ 89.456135][ T4617] __dump_stack+0x30/0x40 [ 89.456790][ T4617] dump_stack_lvl+0xf8/0x160 [ 89.457471][ T4617] dump_stack+0x1c/0x5c [ 89.458063][ T4617] sysfs_create_dir_ns+0x22c/0x24c [ 89.458837][ T4617] kobject_add_internal+0x5a8/0xb30 [ 89.459612][ T4617] kobject_init_and_add+0x118/0x17c [ 89.460414][ T4617] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.461143][ T4617] gfs2_fill_super+0xdec/0x19ec [ 89.461932][ T4617] get_tree_bdev+0x358/0x544 [ 89.462653][ T4617] gfs2_get_tree+0x54/0x1b4 [ 89.463365][ T4617] vfs_get_tree+0x90/0x274 [ 89.464157][ T4617] do_new_mount+0x228/0x810 [ 89.464806][ T4617] path_mount+0x5b4/0xe78 [ 89.465504][ T4617] __arm64_sys_mount+0x49c/0x584 [ 89.466236][ T4617] invoke_syscall+0x98/0x2bc [ 89.466909][ T4617] el0_svc_common+0x138/0x258 [ 89.467596][ T4617] do_el0_svc+0x58/0x13c [ 89.468258][ T4617] el0_svc+0x58/0x138 [ 89.468847][ T4617] el0t_64_sync_handler+0x84/0xf0 [ 89.469527][ T4617] el0t_64_sync+0x18c/0x190 [ 89.470419][ T4617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.472234][ T4617] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.590337][ T4619] loop1: detected capacity change from 0 to 32768 [ 89.592094][ T4619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.593292][ T4619] CPU: 0 PID: 4619 Comm: syz.1.56 Not tainted syzkaller #0 [ 89.594430][ T4619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.595971][ T4619] Call trace: [ 89.596460][ T4619] dump_backtrace+0x1c8/0x1f4 [ 89.597173][ T4619] show_stack+0x2c/0x3c [ 89.597785][ T4619] __dump_stack+0x30/0x40 [ 89.598451][ T4619] dump_stack_lvl+0xf8/0x160 [ 89.599120][ T4619] dump_stack+0x1c/0x5c [ 89.599739][ T4619] sysfs_create_dir_ns+0x22c/0x24c [ 89.600487][ T4619] kobject_add_internal+0x5a8/0xb30 [ 89.601202][ T4619] kobject_init_and_add+0x118/0x17c [ 89.601946][ T4619] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.602686][ T4619] gfs2_fill_super+0xdec/0x19ec [ 89.603427][ T4619] get_tree_bdev+0x358/0x544 [ 89.604138][ T4619] gfs2_get_tree+0x54/0x1b4 [ 89.604826][ T4619] vfs_get_tree+0x90/0x274 [ 89.605509][ T4619] do_new_mount+0x228/0x810 [ 89.606137][ T4619] path_mount+0x5b4/0xe78 [ 89.606772][ T4619] __arm64_sys_mount+0x49c/0x584 [ 89.607475][ T4619] invoke_syscall+0x98/0x2bc [ 89.608151][ T4619] el0_svc_common+0x138/0x258 [ 89.608822][ T4619] do_el0_svc+0x58/0x13c [ 89.609460][ T4619] el0_svc+0x58/0x138 [ 89.610064][ T4619] el0t_64_sync_handler+0x84/0xf0 [ 89.610829][ T4619] el0t_64_sync+0x18c/0x190 [ 89.613373][ T4619] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.615620][ T4619] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.735639][ T4621] loop1: detected capacity change from 0 to 32768 [ 89.737244][ T4621] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.738300][ T4621] CPU: 0 PID: 4621 Comm: syz.1.57 Not tainted syzkaller #0 [ 89.739307][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.740888][ T4621] Call trace: [ 89.741374][ T4621] dump_backtrace+0x1c8/0x1f4 [ 89.742076][ T4621] show_stack+0x2c/0x3c [ 89.742670][ T4621] __dump_stack+0x30/0x40 [ 89.743316][ T4621] dump_stack_lvl+0xf8/0x160 [ 89.744045][ T4621] dump_stack+0x1c/0x5c [ 89.744654][ T4621] sysfs_create_dir_ns+0x22c/0x24c [ 89.745509][ T4621] kobject_add_internal+0x5a8/0xb30 [ 89.746331][ T4621] kobject_init_and_add+0x118/0x17c [ 89.747083][ T4621] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.747805][ T4621] gfs2_fill_super+0xdec/0x19ec [ 89.748553][ T4621] get_tree_bdev+0x358/0x544 [ 89.749268][ T4621] gfs2_get_tree+0x54/0x1b4 [ 89.749963][ T4621] vfs_get_tree+0x90/0x274 [ 89.750656][ T4621] do_new_mount+0x228/0x810 [ 89.751326][ T4621] path_mount+0x5b4/0xe78 [ 89.751974][ T4621] __arm64_sys_mount+0x49c/0x584 [ 89.752657][ T4621] invoke_syscall+0x98/0x2bc [ 89.753353][ T4621] el0_svc_common+0x138/0x258 [ 89.754043][ T4621] do_el0_svc+0x58/0x13c [ 89.754704][ T4621] el0_svc+0x58/0x138 [ 89.755312][ T4621] el0t_64_sync_handler+0x84/0xf0 [ 89.756063][ T4621] el0t_64_sync+0x18c/0x190 [ 89.758733][ T4621] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.760846][ T4621] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 89.881212][ T4623] loop1: detected capacity change from 0 to 32768 [ 89.882983][ T4623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 89.884117][ T4623] CPU: 1 PID: 4623 Comm: syz.1.58 Not tainted syzkaller #0 [ 89.885230][ T4623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 89.886834][ T4623] Call trace: [ 89.887338][ T4623] dump_backtrace+0x1c8/0x1f4 [ 89.888060][ T4623] show_stack+0x2c/0x3c [ 89.888736][ T4623] __dump_stack+0x30/0x40 [ 89.889429][ T4623] dump_stack_lvl+0xf8/0x160 [ 89.890158][ T4623] dump_stack+0x1c/0x5c [ 89.890792][ T4623] sysfs_create_dir_ns+0x22c/0x24c [ 89.891536][ T4623] kobject_add_internal+0x5a8/0xb30 [ 89.892290][ T4623] kobject_init_and_add+0x118/0x17c [ 89.893058][ T4623] gfs2_sys_fs_add+0x1dc/0x3d8 [ 89.893751][ T4623] gfs2_fill_super+0xdec/0x19ec [ 89.894452][ T4623] get_tree_bdev+0x358/0x544 [ 89.895210][ T4623] gfs2_get_tree+0x54/0x1b4 [ 89.895839][ T4623] vfs_get_tree+0x90/0x274 [ 89.896497][ T4623] do_new_mount+0x228/0x810 [ 89.897130][ T4623] path_mount+0x5b4/0xe78 [ 89.897753][ T4623] __arm64_sys_mount+0x49c/0x584 [ 89.898466][ T4623] invoke_syscall+0x98/0x2bc [ 89.899159][ T4623] el0_svc_common+0x138/0x258 [ 89.899833][ T4623] do_el0_svc+0x58/0x13c [ 89.900400][ T4623] el0_svc+0x58/0x138 [ 89.900968][ T4623] el0t_64_sync_handler+0x84/0xf0 [ 89.901690][ T4623] el0t_64_sync+0x18c/0x190 [ 89.902471][ T4623] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 89.904432][ T4623] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.025617][ T4625] loop1: detected capacity change from 0 to 32768 [ 90.031449][ T4625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.032654][ T4625] CPU: 0 PID: 4625 Comm: syz.1.59 Not tainted syzkaller #0 [ 90.033786][ T4625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.035228][ T4625] Call trace: [ 90.035741][ T4625] dump_backtrace+0x1c8/0x1f4 [ 90.036427][ T4625] show_stack+0x2c/0x3c [ 90.037056][ T4625] __dump_stack+0x30/0x40 [ 90.037758][ T4625] dump_stack_lvl+0xf8/0x160 [ 90.038473][ T4625] dump_stack+0x1c/0x5c [ 90.039061][ T4625] sysfs_create_dir_ns+0x22c/0x24c [ 90.039903][ T4625] kobject_add_internal+0x5a8/0xb30 [ 90.040675][ T4625] kobject_init_and_add+0x118/0x17c [ 90.041515][ T4625] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.042197][ T4625] gfs2_fill_super+0xdec/0x19ec [ 90.042947][ T4625] get_tree_bdev+0x358/0x544 [ 90.043624][ T4625] gfs2_get_tree+0x54/0x1b4 [ 90.044277][ T4625] vfs_get_tree+0x90/0x274 [ 90.044896][ T4625] do_new_mount+0x228/0x810 [ 90.045556][ T4625] path_mount+0x5b4/0xe78 [ 90.046148][ T4625] __arm64_sys_mount+0x49c/0x584 [ 90.046800][ T4625] invoke_syscall+0x98/0x2bc [ 90.047445][ T4625] el0_svc_common+0x138/0x258 [ 90.048112][ T4625] do_el0_svc+0x58/0x13c [ 90.048692][ T4625] el0_svc+0x58/0x138 [ 90.049253][ T4625] el0t_64_sync_handler+0x84/0xf0 [ 90.049996][ T4625] el0t_64_sync+0x18c/0x190 [ 90.050779][ T4625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.052706][ T4625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.171139][ T4627] loop1: detected capacity change from 0 to 32768 [ 90.177579][ T4627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.178825][ T4627] CPU: 1 PID: 4627 Comm: syz.1.60 Not tainted syzkaller #0 [ 90.180004][ T4627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.181623][ T4627] Call trace: [ 90.182142][ T4627] dump_backtrace+0x1c8/0x1f4 [ 90.182844][ T4627] show_stack+0x2c/0x3c [ 90.183454][ T4627] __dump_stack+0x30/0x40 [ 90.184152][ T4627] dump_stack_lvl+0xf8/0x160 [ 90.184871][ T4627] dump_stack+0x1c/0x5c [ 90.185473][ T4627] sysfs_create_dir_ns+0x22c/0x24c [ 90.186325][ T4627] kobject_add_internal+0x5a8/0xb30 [ 90.187053][ T4627] kobject_init_and_add+0x118/0x17c [ 90.187848][ T4627] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.188569][ T4627] gfs2_fill_super+0xdec/0x19ec [ 90.189295][ T4627] get_tree_bdev+0x358/0x544 [ 90.189989][ T4627] gfs2_get_tree+0x54/0x1b4 [ 90.190651][ T4627] vfs_get_tree+0x90/0x274 [ 90.191332][ T4627] do_new_mount+0x228/0x810 [ 90.191993][ T4627] path_mount+0x5b4/0xe78 [ 90.192649][ T4627] __arm64_sys_mount+0x49c/0x584 [ 90.193382][ T4627] invoke_syscall+0x98/0x2bc [ 90.194019][ T4627] el0_svc_common+0x138/0x258 [ 90.194731][ T4627] do_el0_svc+0x58/0x13c [ 90.195359][ T4627] el0_svc+0x58/0x138 [ 90.195895][ T4627] el0t_64_sync_handler+0x84/0xf0 [ 90.196588][ T4627] el0t_64_sync+0x18c/0x190 [ 90.198436][ T4627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.200523][ T4627] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.322509][ T4629] loop1: detected capacity change from 0 to 32768 [ 90.324542][ T4629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.325674][ T4629] CPU: 0 PID: 4629 Comm: syz.1.61 Not tainted syzkaller #0 [ 90.326687][ T4629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.328118][ T4629] Call trace: [ 90.328584][ T4629] dump_backtrace+0x1c8/0x1f4 [ 90.329280][ T4629] show_stack+0x2c/0x3c [ 90.329873][ T4629] __dump_stack+0x30/0x40 [ 90.330545][ T4629] dump_stack_lvl+0xf8/0x160 [ 90.331168][ T4629] dump_stack+0x1c/0x5c [ 90.331783][ T4629] sysfs_create_dir_ns+0x22c/0x24c [ 90.332502][ T4629] kobject_add_internal+0x5a8/0xb30 [ 90.333525][ T4629] kobject_init_and_add+0x118/0x17c [ 90.334400][ T4629] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.335085][ T4629] gfs2_fill_super+0xdec/0x19ec [ 90.335809][ T4629] get_tree_bdev+0x358/0x544 [ 90.336456][ T4629] gfs2_get_tree+0x54/0x1b4 [ 90.337136][ T4629] vfs_get_tree+0x90/0x274 [ 90.337799][ T4629] do_new_mount+0x228/0x810 [ 90.338478][ T4629] path_mount+0x5b4/0xe78 [ 90.339123][ T4629] __arm64_sys_mount+0x49c/0x584 [ 90.339916][ T4629] invoke_syscall+0x98/0x2bc [ 90.340661][ T4629] el0_svc_common+0x138/0x258 [ 90.341384][ T4629] do_el0_svc+0x58/0x13c [ 90.342026][ T4629] el0_svc+0x58/0x138 [ 90.342572][ T4629] el0t_64_sync_handler+0x84/0xf0 [ 90.343356][ T4629] el0t_64_sync+0x18c/0x190 [ 90.344098][ T4629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.346155][ T4629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.471303][ T4631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.472512][ T4631] CPU: 1 PID: 4631 Comm: syz.1.62 Not tainted syzkaller #0 [ 90.473689][ T4631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.475237][ T4631] Call trace: [ 90.475737][ T4631] dump_backtrace+0x1c8/0x1f4 [ 90.476433][ T4631] show_stack+0x2c/0x3c [ 90.477107][ T4631] __dump_stack+0x30/0x40 [ 90.477750][ T4631] dump_stack_lvl+0xf8/0x160 [ 90.478409][ T4631] dump_stack+0x1c/0x5c [ 90.479059][ T4631] sysfs_create_dir_ns+0x22c/0x24c [ 90.479859][ T4631] kobject_add_internal+0x5a8/0xb30 [ 90.480723][ T4631] kobject_init_and_add+0x118/0x17c [ 90.481463][ T4631] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.482167][ T4631] gfs2_fill_super+0xdec/0x19ec [ 90.483044][ T4631] get_tree_bdev+0x358/0x544 [ 90.483859][ T4631] gfs2_get_tree+0x54/0x1b4 [ 90.484599][ T4631] vfs_get_tree+0x90/0x274 [ 90.485320][ T4631] do_new_mount+0x228/0x810 [ 90.486088][ T4631] path_mount+0x5b4/0xe78 [ 90.486790][ T4631] __arm64_sys_mount+0x49c/0x584 [ 90.487572][ T4631] invoke_syscall+0x98/0x2bc [ 90.488302][ T4631] el0_svc_common+0x138/0x258 [ 90.489050][ T4631] do_el0_svc+0x58/0x13c [ 90.489716][ T4631] el0_svc+0x58/0x138 [ 90.490313][ T4631] el0t_64_sync_handler+0x84/0xf0 [ 90.491082][ T4631] el0t_64_sync+0x18c/0x190 [ 90.493228][ T4631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.495355][ T4631] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.621229][ T4633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.622434][ T4633] CPU: 1 PID: 4633 Comm: syz.1.63 Not tainted syzkaller #0 [ 90.623639][ T4633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.625207][ T4633] Call trace: [ 90.625700][ T4633] dump_backtrace+0x1c8/0x1f4 [ 90.626491][ T4633] show_stack+0x2c/0x3c [ 90.627148][ T4633] __dump_stack+0x30/0x40 [ 90.627818][ T4633] dump_stack_lvl+0xf8/0x160 [ 90.628483][ T4633] dump_stack+0x1c/0x5c [ 90.629085][ T4633] sysfs_create_dir_ns+0x22c/0x24c [ 90.629827][ T4633] kobject_add_internal+0x5a8/0xb30 [ 90.630605][ T4633] kobject_init_and_add+0x118/0x17c [ 90.631497][ T4633] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.632191][ T4633] gfs2_fill_super+0xdec/0x19ec [ 90.632939][ T4633] get_tree_bdev+0x358/0x544 [ 90.633598][ T4633] gfs2_get_tree+0x54/0x1b4 [ 90.634309][ T4633] vfs_get_tree+0x90/0x274 [ 90.634925][ T4633] do_new_mount+0x228/0x810 [ 90.635687][ T4633] path_mount+0x5b4/0xe78 [ 90.636426][ T4633] __arm64_sys_mount+0x49c/0x584 [ 90.637231][ T4633] invoke_syscall+0x98/0x2bc [ 90.637938][ T4633] el0_svc_common+0x138/0x258 [ 90.638632][ T4633] do_el0_svc+0x58/0x13c [ 90.639277][ T4633] el0_svc+0x58/0x138 [ 90.639898][ T4633] el0t_64_sync_handler+0x84/0xf0 [ 90.640678][ T4633] el0t_64_sync+0x18c/0x190 [ 90.642705][ T4633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.644843][ T4633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.768663][ T4635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.769840][ T4635] CPU: 0 PID: 4635 Comm: syz.1.64 Not tainted syzkaller #0 [ 90.771067][ T4635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.772678][ T4635] Call trace: [ 90.773171][ T4635] dump_backtrace+0x1c8/0x1f4 [ 90.773867][ T4635] show_stack+0x2c/0x3c [ 90.774581][ T4635] __dump_stack+0x30/0x40 [ 90.775290][ T4635] dump_stack_lvl+0xf8/0x160 [ 90.776003][ T4635] dump_stack+0x1c/0x5c [ 90.776683][ T4635] sysfs_create_dir_ns+0x22c/0x24c [ 90.777439][ T4635] kobject_add_internal+0x5a8/0xb30 [ 90.778226][ T4635] kobject_init_and_add+0x118/0x17c [ 90.779019][ T4635] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.779681][ T4635] gfs2_fill_super+0xdec/0x19ec [ 90.780336][ T4635] get_tree_bdev+0x358/0x544 [ 90.781066][ T4635] gfs2_get_tree+0x54/0x1b4 [ 90.781733][ T4635] vfs_get_tree+0x90/0x274 [ 90.782347][ T4635] do_new_mount+0x228/0x810 [ 90.783050][ T4635] path_mount+0x5b4/0xe78 [ 90.783688][ T4635] __arm64_sys_mount+0x49c/0x584 [ 90.784412][ T4635] invoke_syscall+0x98/0x2bc [ 90.785117][ T4635] el0_svc_common+0x138/0x258 [ 90.785856][ T4635] do_el0_svc+0x58/0x13c [ 90.786456][ T4635] el0_svc+0x58/0x138 [ 90.787099][ T4635] el0t_64_sync_handler+0x84/0xf0 [ 90.787847][ T4635] el0t_64_sync+0x18c/0x190 [ 90.789070][ T4635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.791618][ T4635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 90.923528][ T4637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 90.924787][ T4637] CPU: 1 PID: 4637 Comm: syz.1.65 Not tainted syzkaller #0 [ 90.925916][ T4637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 90.927444][ T4637] Call trace: [ 90.927904][ T4637] dump_backtrace+0x1c8/0x1f4 [ 90.928630][ T4637] show_stack+0x2c/0x3c [ 90.929307][ T4637] __dump_stack+0x30/0x40 [ 90.929986][ T4637] dump_stack_lvl+0xf8/0x160 [ 90.930660][ T4637] dump_stack+0x1c/0x5c [ 90.931261][ T4637] sysfs_create_dir_ns+0x22c/0x24c [ 90.932015][ T4637] kobject_add_internal+0x5a8/0xb30 [ 90.932828][ T4637] kobject_init_and_add+0x118/0x17c [ 90.933574][ T4637] gfs2_sys_fs_add+0x1dc/0x3d8 [ 90.934264][ T4637] gfs2_fill_super+0xdec/0x19ec [ 90.935028][ T4637] get_tree_bdev+0x358/0x544 [ 90.935683][ T4637] gfs2_get_tree+0x54/0x1b4 [ 90.936318][ T4637] vfs_get_tree+0x90/0x274 [ 90.936973][ T4637] do_new_mount+0x228/0x810 [ 90.937619][ T4637] path_mount+0x5b4/0xe78 [ 90.938262][ T4637] __arm64_sys_mount+0x49c/0x584 [ 90.938997][ T4637] invoke_syscall+0x98/0x2bc [ 90.939699][ T4637] el0_svc_common+0x138/0x258 [ 90.940408][ T4637] do_el0_svc+0x58/0x13c [ 90.941046][ T4637] el0_svc+0x58/0x138 [ 90.941647][ T4637] el0t_64_sync_handler+0x84/0xf0 [ 90.942393][ T4637] el0t_64_sync+0x18c/0x190 [ 90.944405][ T4637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 90.946230][ T4637] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.095394][ T4639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.096698][ T4639] CPU: 0 PID: 4639 Comm: syz.1.66 Not tainted syzkaller #0 [ 91.097786][ T4639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.099396][ T4639] Call trace: [ 91.099917][ T4639] dump_backtrace+0x1c8/0x1f4 [ 91.100640][ T4639] show_stack+0x2c/0x3c [ 91.101236][ T4639] __dump_stack+0x30/0x40 [ 91.101905][ T4639] dump_stack_lvl+0xf8/0x160 [ 91.102617][ T4639] dump_stack+0x1c/0x5c [ 91.103249][ T4639] sysfs_create_dir_ns+0x22c/0x24c [ 91.104004][ T4639] kobject_add_internal+0x5a8/0xb30 [ 91.104780][ T4639] kobject_init_and_add+0x118/0x17c [ 91.105504][ T4639] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.106231][ T4639] gfs2_fill_super+0xdec/0x19ec [ 91.106891][ T4639] get_tree_bdev+0x358/0x544 [ 91.107570][ T4639] gfs2_get_tree+0x54/0x1b4 [ 91.108251][ T4639] vfs_get_tree+0x90/0x274 [ 91.108932][ T4639] do_new_mount+0x228/0x810 [ 91.109573][ T4639] path_mount+0x5b4/0xe78 [ 91.110214][ T4639] __arm64_sys_mount+0x49c/0x584 [ 91.111031][ T4639] invoke_syscall+0x98/0x2bc [ 91.111746][ T4639] el0_svc_common+0x138/0x258 [ 91.112480][ T4639] do_el0_svc+0x58/0x13c [ 91.113180][ T4639] el0_svc+0x58/0x138 [ 91.113755][ T4639] el0t_64_sync_handler+0x84/0xf0 [ 91.114547][ T4639] el0t_64_sync+0x18c/0x190 [ 91.117229][ T4639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.119278][ T4639] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.245224][ T4641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.246438][ T4641] CPU: 1 PID: 4641 Comm: syz.1.67 Not tainted syzkaller #0 [ 91.247533][ T4641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.248929][ T4641] Call trace: [ 91.249395][ T4641] dump_backtrace+0x1c8/0x1f4 [ 91.250105][ T4641] show_stack+0x2c/0x3c [ 91.250745][ T4641] __dump_stack+0x30/0x40 [ 91.251459][ T4641] dump_stack_lvl+0xf8/0x160 [ 91.252118][ T4641] dump_stack+0x1c/0x5c [ 91.252747][ T4641] sysfs_create_dir_ns+0x22c/0x24c [ 91.253487][ T4641] kobject_add_internal+0x5a8/0xb30 [ 91.254279][ T4641] kobject_init_and_add+0x118/0x17c [ 91.255032][ T4641] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.255735][ T4641] gfs2_fill_super+0xdec/0x19ec [ 91.256510][ T4641] get_tree_bdev+0x358/0x544 [ 91.257344][ T4641] gfs2_get_tree+0x54/0x1b4 [ 91.258062][ T4641] vfs_get_tree+0x90/0x274 [ 91.258763][ T4641] do_new_mount+0x228/0x810 [ 91.259482][ T4641] path_mount+0x5b4/0xe78 [ 91.260128][ T4641] __arm64_sys_mount+0x49c/0x584 [ 91.260848][ T4641] invoke_syscall+0x98/0x2bc [ 91.261527][ T4641] el0_svc_common+0x138/0x258 [ 91.262260][ T4641] do_el0_svc+0x58/0x13c [ 91.262892][ T4641] el0_svc+0x58/0x138 [ 91.263529][ T4641] el0t_64_sync_handler+0x84/0xf0 [ 91.264276][ T4641] el0t_64_sync+0x18c/0x190 [ 91.265944][ T4641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.268014][ T4641] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.395563][ T4643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.396705][ T4643] CPU: 0 PID: 4643 Comm: syz.1.68 Not tainted syzkaller #0 [ 91.397785][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.399212][ T4643] Call trace: [ 91.399685][ T4643] dump_backtrace+0x1c8/0x1f4 [ 91.400379][ T4643] show_stack+0x2c/0x3c [ 91.400977][ T4643] __dump_stack+0x30/0x40 [ 91.401621][ T4643] dump_stack_lvl+0xf8/0x160 [ 91.402262][ T4643] dump_stack+0x1c/0x5c [ 91.402926][ T4643] sysfs_create_dir_ns+0x22c/0x24c [ 91.403687][ T4643] kobject_add_internal+0x5a8/0xb30 [ 91.404527][ T4643] kobject_init_and_add+0x118/0x17c [ 91.405311][ T4643] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.406079][ T4643] gfs2_fill_super+0xdec/0x19ec [ 91.406725][ T4643] get_tree_bdev+0x358/0x544 [ 91.407389][ T4643] gfs2_get_tree+0x54/0x1b4 [ 91.408072][ T4643] vfs_get_tree+0x90/0x274 [ 91.408686][ T4643] do_new_mount+0x228/0x810 [ 91.409408][ T4643] path_mount+0x5b4/0xe78 [ 91.410039][ T4643] __arm64_sys_mount+0x49c/0x584 [ 91.410764][ T4643] invoke_syscall+0x98/0x2bc [ 91.411433][ T4643] el0_svc_common+0x138/0x258 [ 91.412108][ T4643] do_el0_svc+0x58/0x13c [ 91.412696][ T4643] el0_svc+0x58/0x138 [ 91.413282][ T4643] el0t_64_sync_handler+0x84/0xf0 [ 91.414035][ T4643] el0t_64_sync+0x18c/0x190 [ 91.415900][ T4643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.417894][ T4643] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.434280][ T4412] Bluetooth: hci1: command 0x0419 tx timeout [ 91.538464][ T4645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.539703][ T4645] CPU: 1 PID: 4645 Comm: syz.1.69 Not tainted syzkaller #0 [ 91.540723][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.542187][ T4645] Call trace: [ 91.542660][ T4645] dump_backtrace+0x1c8/0x1f4 [ 91.543328][ T4645] show_stack+0x2c/0x3c [ 91.543927][ T4645] __dump_stack+0x30/0x40 [ 91.544536][ T4645] dump_stack_lvl+0xf8/0x160 [ 91.545167][ T4645] dump_stack+0x1c/0x5c [ 91.545785][ T4645] sysfs_create_dir_ns+0x22c/0x24c [ 91.546510][ T4645] kobject_add_internal+0x5a8/0xb30 [ 91.547282][ T4645] kobject_init_and_add+0x118/0x17c [ 91.548050][ T4645] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.548722][ T4645] gfs2_fill_super+0xdec/0x19ec [ 91.549450][ T4645] get_tree_bdev+0x358/0x544 [ 91.550171][ T4645] gfs2_get_tree+0x54/0x1b4 [ 91.550873][ T4645] vfs_get_tree+0x90/0x274 [ 91.551504][ T4645] do_new_mount+0x228/0x810 [ 91.552105][ T4645] path_mount+0x5b4/0xe78 [ 91.552742][ T4645] __arm64_sys_mount+0x49c/0x584 [ 91.553470][ T4645] invoke_syscall+0x98/0x2bc [ 91.554148][ T4645] el0_svc_common+0x138/0x258 [ 91.554832][ T4645] do_el0_svc+0x58/0x13c [ 91.555432][ T4645] el0_svc+0x58/0x138 [ 91.556023][ T4645] el0t_64_sync_handler+0x84/0xf0 [ 91.556720][ T4645] el0t_64_sync+0x18c/0x190 [ 91.557506][ T4645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.559444][ T4645] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.681874][ T4647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.683072][ T4647] CPU: 0 PID: 4647 Comm: syz.1.70 Not tainted syzkaller #0 [ 91.684292][ T4647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.685912][ T4647] Call trace: [ 91.686432][ T4647] dump_backtrace+0x1c8/0x1f4 [ 91.687197][ T4647] show_stack+0x2c/0x3c [ 91.687843][ T4647] __dump_stack+0x30/0x40 [ 91.688549][ T4647] dump_stack_lvl+0xf8/0x160 [ 91.689227][ T4647] dump_stack+0x1c/0x5c [ 91.689813][ T4647] sysfs_create_dir_ns+0x22c/0x24c [ 91.690568][ T4647] kobject_add_internal+0x5a8/0xb30 [ 91.691389][ T4647] kobject_init_and_add+0x118/0x17c [ 91.692177][ T4647] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.692866][ T4647] gfs2_fill_super+0xdec/0x19ec [ 91.693610][ T4647] get_tree_bdev+0x358/0x544 [ 91.694332][ T4647] gfs2_get_tree+0x54/0x1b4 [ 91.695013][ T4647] vfs_get_tree+0x90/0x274 [ 91.695654][ T4647] do_new_mount+0x228/0x810 [ 91.696301][ T4647] path_mount+0x5b4/0xe78 [ 91.696956][ T4647] __arm64_sys_mount+0x49c/0x584 [ 91.697695][ T4647] invoke_syscall+0x98/0x2bc [ 91.698365][ T4647] el0_svc_common+0x138/0x258 [ 91.699014][ T4647] do_el0_svc+0x58/0x13c [ 91.699662][ T4647] el0_svc+0x58/0x138 [ 91.700239][ T4647] el0t_64_sync_handler+0x84/0xf0 [ 91.701003][ T4647] el0t_64_sync+0x18c/0x190 [ 91.701764][ T4647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.703719][ T4647] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.825511][ T4649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.826689][ T4649] CPU: 0 PID: 4649 Comm: syz.1.71 Not tainted syzkaller #0 [ 91.827863][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.829416][ T4649] Call trace: [ 91.829910][ T4649] dump_backtrace+0x1c8/0x1f4 [ 91.830617][ T4649] show_stack+0x2c/0x3c [ 91.831251][ T4649] __dump_stack+0x30/0x40 [ 91.831884][ T4649] dump_stack_lvl+0xf8/0x160 [ 91.832576][ T4649] dump_stack+0x1c/0x5c [ 91.833235][ T4649] sysfs_create_dir_ns+0x22c/0x24c [ 91.833985][ T4649] kobject_add_internal+0x5a8/0xb30 [ 91.834721][ T4649] kobject_init_and_add+0x118/0x17c [ 91.835504][ T4649] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.836282][ T4649] gfs2_fill_super+0xdec/0x19ec [ 91.837007][ T4649] get_tree_bdev+0x358/0x544 [ 91.837612][ T4649] gfs2_get_tree+0x54/0x1b4 [ 91.838232][ T4649] vfs_get_tree+0x90/0x274 [ 91.838912][ T4649] do_new_mount+0x228/0x810 [ 91.839581][ T4649] path_mount+0x5b4/0xe78 [ 91.840215][ T4649] __arm64_sys_mount+0x49c/0x584 [ 91.840938][ T4649] invoke_syscall+0x98/0x2bc [ 91.841577][ T4649] el0_svc_common+0x138/0x258 [ 91.842249][ T4649] do_el0_svc+0x58/0x13c [ 91.842967][ T4649] el0_svc+0x58/0x138 [ 91.843588][ T4649] el0t_64_sync_handler+0x84/0xf0 [ 91.844365][ T4649] el0t_64_sync+0x18c/0x190 [ 91.846339][ T4649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.848254][ T4649] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 91.977462][ T4651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 91.978626][ T4651] CPU: 1 PID: 4651 Comm: syz.1.72 Not tainted syzkaller #0 [ 91.979717][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 91.981212][ T4651] Call trace: [ 91.981685][ T4651] dump_backtrace+0x1c8/0x1f4 [ 91.982414][ T4651] show_stack+0x2c/0x3c [ 91.983049][ T4651] __dump_stack+0x30/0x40 [ 91.983657][ T4651] dump_stack_lvl+0xf8/0x160 [ 91.984300][ T4651] dump_stack+0x1c/0x5c [ 91.984908][ T4651] sysfs_create_dir_ns+0x22c/0x24c [ 91.985610][ T4651] kobject_add_internal+0x5a8/0xb30 [ 91.986365][ T4651] kobject_init_and_add+0x118/0x17c [ 91.987104][ T4651] gfs2_sys_fs_add+0x1dc/0x3d8 [ 91.987767][ T4651] gfs2_fill_super+0xdec/0x19ec [ 91.988519][ T4651] get_tree_bdev+0x358/0x544 [ 91.989162][ T4651] gfs2_get_tree+0x54/0x1b4 [ 91.989831][ T4651] vfs_get_tree+0x90/0x274 [ 91.990628][ T4651] do_new_mount+0x228/0x810 [ 91.991320][ T4651] path_mount+0x5b4/0xe78 [ 91.991991][ T4651] __arm64_sys_mount+0x49c/0x584 [ 91.992715][ T4651] invoke_syscall+0x98/0x2bc [ 91.993392][ T4651] el0_svc_common+0x138/0x258 [ 91.994070][ T4651] do_el0_svc+0x58/0x13c [ 91.994714][ T4651] el0_svc+0x58/0x138 [ 91.995344][ T4651] el0t_64_sync_handler+0x84/0xf0 [ 91.996048][ T4651] el0t_64_sync+0x18c/0x190 [ 91.997011][ T4651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 91.999024][ T4651] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.127057][ T4653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.128140][ T4653] CPU: 1 PID: 4653 Comm: syz.1.73 Not tainted syzkaller #0 [ 92.129140][ T4653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.130611][ T4653] Call trace: [ 92.131072][ T4653] dump_backtrace+0x1c8/0x1f4 [ 92.131809][ T4653] show_stack+0x2c/0x3c [ 92.132388][ T4653] __dump_stack+0x30/0x40 [ 92.133037][ T4653] dump_stack_lvl+0xf8/0x160 [ 92.133732][ T4653] dump_stack+0x1c/0x5c [ 92.134329][ T4653] sysfs_create_dir_ns+0x22c/0x24c [ 92.135096][ T4653] kobject_add_internal+0x5a8/0xb30 [ 92.135892][ T4653] kobject_init_and_add+0x118/0x17c [ 92.136656][ T4653] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.137334][ T4653] gfs2_fill_super+0xdec/0x19ec [ 92.138037][ T4653] get_tree_bdev+0x358/0x544 [ 92.138703][ T4653] gfs2_get_tree+0x54/0x1b4 [ 92.139323][ T4653] vfs_get_tree+0x90/0x274 [ 92.140008][ T4653] do_new_mount+0x228/0x810 [ 92.140665][ T4653] path_mount+0x5b4/0xe78 [ 92.141303][ T4653] __arm64_sys_mount+0x49c/0x584 [ 92.142022][ T4653] invoke_syscall+0x98/0x2bc [ 92.142688][ T4653] el0_svc_common+0x138/0x258 [ 92.143345][ T4653] do_el0_svc+0x58/0x13c [ 92.143924][ T4653] el0_svc+0x58/0x138 [ 92.144500][ T4653] el0t_64_sync_handler+0x84/0xf0 [ 92.145242][ T4653] el0t_64_sync+0x18c/0x190 [ 92.147144][ T4653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.149098][ T4653] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.268298][ T4655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.269423][ T4655] CPU: 0 PID: 4655 Comm: syz.1.74 Not tainted syzkaller #0 [ 92.270483][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.271896][ T4655] Call trace: [ 92.272391][ T4655] dump_backtrace+0x1c8/0x1f4 [ 92.273066][ T4655] show_stack+0x2c/0x3c [ 92.273656][ T4655] __dump_stack+0x30/0x40 [ 92.274309][ T4655] dump_stack_lvl+0xf8/0x160 [ 92.274983][ T4655] dump_stack+0x1c/0x5c [ 92.275620][ T4655] sysfs_create_dir_ns+0x22c/0x24c [ 92.276392][ T4655] kobject_add_internal+0x5a8/0xb30 [ 92.277122][ T4655] kobject_init_and_add+0x118/0x17c [ 92.277901][ T4655] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.278627][ T4655] gfs2_fill_super+0xdec/0x19ec [ 92.279362][ T4655] get_tree_bdev+0x358/0x544 [ 92.280002][ T4655] gfs2_get_tree+0x54/0x1b4 [ 92.280671][ T4655] vfs_get_tree+0x90/0x274 [ 92.281317][ T4655] do_new_mount+0x228/0x810 [ 92.281888][ T4655] path_mount+0x5b4/0xe78 [ 92.282483][ T4655] __arm64_sys_mount+0x49c/0x584 [ 92.283223][ T4655] invoke_syscall+0x98/0x2bc [ 92.283908][ T4655] el0_svc_common+0x138/0x258 [ 92.284603][ T4655] do_el0_svc+0x58/0x13c [ 92.285187][ T4655] el0_svc+0x58/0x138 [ 92.285754][ T4655] el0t_64_sync_handler+0x84/0xf0 [ 92.286455][ T4655] el0t_64_sync+0x18c/0x190 [ 92.287301][ T4655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.289254][ T4655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.421080][ T4657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.422614][ T4657] CPU: 1 PID: 4657 Comm: syz.1.75 Not tainted syzkaller #0 [ 92.423856][ T4657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.425308][ T4657] Call trace: [ 92.425783][ T4657] dump_backtrace+0x1c8/0x1f4 [ 92.426458][ T4657] show_stack+0x2c/0x3c [ 92.427047][ T4657] __dump_stack+0x30/0x40 [ 92.427672][ T4657] dump_stack_lvl+0xf8/0x160 [ 92.428333][ T4657] dump_stack+0x1c/0x5c [ 92.428921][ T4657] sysfs_create_dir_ns+0x22c/0x24c [ 92.429636][ T4657] kobject_add_internal+0x5a8/0xb30 [ 92.430369][ T4657] kobject_init_and_add+0x118/0x17c [ 92.431097][ T4657] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.431767][ T4657] gfs2_fill_super+0xdec/0x19ec [ 92.432439][ T4657] get_tree_bdev+0x358/0x544 [ 92.433068][ T4657] gfs2_get_tree+0x54/0x1b4 [ 92.433710][ T4657] vfs_get_tree+0x90/0x274 [ 92.434350][ T4657] do_new_mount+0x228/0x810 [ 92.435006][ T4657] path_mount+0x5b4/0xe78 [ 92.435691][ T4657] __arm64_sys_mount+0x49c/0x584 [ 92.436350][ T4657] invoke_syscall+0x98/0x2bc [ 92.437046][ T4657] el0_svc_common+0x138/0x258 [ 92.437702][ T4657] do_el0_svc+0x58/0x13c [ 92.438303][ T4657] el0_svc+0x58/0x138 [ 92.438833][ T4657] el0t_64_sync_handler+0x84/0xf0 [ 92.439618][ T4657] el0t_64_sync+0x18c/0x190 [ 92.441042][ T4657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.449877][ T4657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.575555][ T4659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.576685][ T4659] CPU: 0 PID: 4659 Comm: syz.1.76 Not tainted syzkaller #0 [ 92.577732][ T4659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.579221][ T4659] Call trace: [ 92.579707][ T4659] dump_backtrace+0x1c8/0x1f4 [ 92.580464][ T4659] show_stack+0x2c/0x3c [ 92.581087][ T4659] __dump_stack+0x30/0x40 [ 92.581736][ T4659] dump_stack_lvl+0xf8/0x160 [ 92.582365][ T4659] dump_stack+0x1c/0x5c [ 92.582998][ T4659] sysfs_create_dir_ns+0x22c/0x24c [ 92.583686][ T4659] kobject_add_internal+0x5a8/0xb30 [ 92.584405][ T4659] kobject_init_and_add+0x118/0x17c [ 92.585206][ T4659] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.585884][ T4659] gfs2_fill_super+0xdec/0x19ec [ 92.586598][ T4659] get_tree_bdev+0x358/0x544 [ 92.587325][ T4659] gfs2_get_tree+0x54/0x1b4 [ 92.588034][ T4659] vfs_get_tree+0x90/0x274 [ 92.588680][ T4659] do_new_mount+0x228/0x810 [ 92.589351][ T4659] path_mount+0x5b4/0xe78 [ 92.589980][ T4659] __arm64_sys_mount+0x49c/0x584 [ 92.590732][ T4659] invoke_syscall+0x98/0x2bc [ 92.591488][ T4659] el0_svc_common+0x138/0x258 [ 92.592184][ T4659] do_el0_svc+0x58/0x13c [ 92.592808][ T4659] el0_svc+0x58/0x138 [ 92.593393][ T4659] el0t_64_sync_handler+0x84/0xf0 [ 92.594105][ T4659] el0t_64_sync+0x18c/0x190 [ 92.595291][ T4659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.597178][ T4659] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.722239][ T4661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.723445][ T4661] CPU: 1 PID: 4661 Comm: syz.1.77 Not tainted syzkaller #0 [ 92.724477][ T4661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.725936][ T4661] Call trace: [ 92.726459][ T4661] dump_backtrace+0x1c8/0x1f4 [ 92.727193][ T4661] show_stack+0x2c/0x3c [ 92.727841][ T4661] __dump_stack+0x30/0x40 [ 92.728483][ T4661] dump_stack_lvl+0xf8/0x160 [ 92.729171][ T4661] dump_stack+0x1c/0x5c [ 92.729791][ T4661] sysfs_create_dir_ns+0x22c/0x24c [ 92.730519][ T4661] kobject_add_internal+0x5a8/0xb30 [ 92.731257][ T4661] kobject_init_and_add+0x118/0x17c [ 92.732029][ T4661] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.732717][ T4661] gfs2_fill_super+0xdec/0x19ec [ 92.733401][ T4661] get_tree_bdev+0x358/0x544 [ 92.734081][ T4661] gfs2_get_tree+0x54/0x1b4 [ 92.734763][ T4661] vfs_get_tree+0x90/0x274 [ 92.735375][ T4661] do_new_mount+0x228/0x810 [ 92.736071][ T4661] path_mount+0x5b4/0xe78 [ 92.736690][ T4661] __arm64_sys_mount+0x49c/0x584 [ 92.737363][ T4661] invoke_syscall+0x98/0x2bc [ 92.738022][ T4661] el0_svc_common+0x138/0x258 [ 92.738687][ T4661] do_el0_svc+0x58/0x13c [ 92.739339][ T4661] el0_svc+0x58/0x138 [ 92.739918][ T4661] el0t_64_sync_handler+0x84/0xf0 [ 92.740697][ T4661] el0t_64_sync+0x18c/0x190 [ 92.741442][ T4661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.743227][ T4661] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 92.860549][ T4663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 92.861723][ T4663] CPU: 1 PID: 4663 Comm: syz.1.78 Not tainted syzkaller #0 [ 92.862770][ T4663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 92.864286][ T4663] Call trace: [ 92.864778][ T4663] dump_backtrace+0x1c8/0x1f4 [ 92.865457][ T4663] show_stack+0x2c/0x3c [ 92.866025][ T4663] __dump_stack+0x30/0x40 [ 92.866644][ T4663] dump_stack_lvl+0xf8/0x160 [ 92.867349][ T4663] dump_stack+0x1c/0x5c [ 92.867950][ T4663] sysfs_create_dir_ns+0x22c/0x24c [ 92.868649][ T4663] kobject_add_internal+0x5a8/0xb30 [ 92.869543][ T4663] kobject_init_and_add+0x118/0x17c [ 92.870303][ T4663] gfs2_sys_fs_add+0x1dc/0x3d8 [ 92.870980][ T4663] gfs2_fill_super+0xdec/0x19ec [ 92.871760][ T4663] get_tree_bdev+0x358/0x544 [ 92.872415][ T4663] gfs2_get_tree+0x54/0x1b4 [ 92.873123][ T4663] vfs_get_tree+0x90/0x274 [ 92.873849][ T4663] do_new_mount+0x228/0x810 [ 92.874593][ T4663] path_mount+0x5b4/0xe78 [ 92.875284][ T4663] __arm64_sys_mount+0x49c/0x584 [ 92.876082][ T4663] invoke_syscall+0x98/0x2bc [ 92.876746][ T4663] el0_svc_common+0x138/0x258 [ 92.877503][ T4663] do_el0_svc+0x58/0x13c [ 92.878097][ T4663] el0_svc+0x58/0x138 [ 92.878665][ T4663] el0t_64_sync_handler+0x84/0xf0 [ 92.879401][ T4663] el0t_64_sync+0x18c/0x190 [ 92.880280][ T4663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 92.882328][ T4663] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.008478][ T4665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.009618][ T4665] CPU: 0 PID: 4665 Comm: syz.1.79 Not tainted syzkaller #0 [ 93.010734][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.012243][ T4665] Call trace: [ 93.012743][ T4665] dump_backtrace+0x1c8/0x1f4 [ 93.013473][ T4665] show_stack+0x2c/0x3c [ 93.014105][ T4665] __dump_stack+0x30/0x40 [ 93.014778][ T4665] dump_stack_lvl+0xf8/0x160 [ 93.015496][ T4665] dump_stack+0x1c/0x5c [ 93.016127][ T4665] sysfs_create_dir_ns+0x22c/0x24c [ 93.016886][ T4665] kobject_add_internal+0x5a8/0xb30 [ 93.017600][ T4665] kobject_init_and_add+0x118/0x17c [ 93.018340][ T4665] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.019033][ T4665] gfs2_fill_super+0xdec/0x19ec [ 93.019747][ T4665] get_tree_bdev+0x358/0x544 [ 93.020364][ T4665] gfs2_get_tree+0x54/0x1b4 [ 93.021077][ T4665] vfs_get_tree+0x90/0x274 [ 93.021732][ T4665] do_new_mount+0x228/0x810 [ 93.022429][ T4665] path_mount+0x5b4/0xe78 [ 93.022997][ T4665] __arm64_sys_mount+0x49c/0x584 [ 93.023687][ T4665] invoke_syscall+0x98/0x2bc [ 93.024369][ T4665] el0_svc_common+0x138/0x258 [ 93.025058][ T4665] do_el0_svc+0x58/0x13c [ 93.025679][ T4665] el0_svc+0x58/0x138 [ 93.026331][ T4665] el0t_64_sync_handler+0x84/0xf0 [ 93.027051][ T4665] el0t_64_sync+0x18c/0x190 [ 93.028921][ T4665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.031044][ T4665] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.153524][ T4667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.154816][ T4667] CPU: 1 PID: 4667 Comm: syz.1.80 Not tainted syzkaller #0 [ 93.155915][ T4667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.157536][ T4667] Call trace: [ 93.158035][ T4667] dump_backtrace+0x1c8/0x1f4 [ 93.158741][ T4667] show_stack+0x2c/0x3c [ 93.159420][ T4667] __dump_stack+0x30/0x40 [ 93.160057][ T4667] dump_stack_lvl+0xf8/0x160 [ 93.160756][ T4667] dump_stack+0x1c/0x5c [ 93.161351][ T4667] sysfs_create_dir_ns+0x22c/0x24c [ 93.162100][ T4667] kobject_add_internal+0x5a8/0xb30 [ 93.162920][ T4667] kobject_init_and_add+0x118/0x17c [ 93.163709][ T4667] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.164424][ T4667] gfs2_fill_super+0xdec/0x19ec [ 93.165158][ T4667] get_tree_bdev+0x358/0x544 [ 93.165851][ T4667] gfs2_get_tree+0x54/0x1b4 [ 93.166569][ T4667] vfs_get_tree+0x90/0x274 [ 93.167206][ T4667] do_new_mount+0x228/0x810 [ 93.167867][ T4667] path_mount+0x5b4/0xe78 [ 93.168517][ T4667] __arm64_sys_mount+0x49c/0x584 [ 93.169279][ T4667] invoke_syscall+0x98/0x2bc [ 93.169955][ T4667] el0_svc_common+0x138/0x258 [ 93.170622][ T4667] do_el0_svc+0x58/0x13c [ 93.171223][ T4667] el0_svc+0x58/0x138 [ 93.171751][ T4667] el0t_64_sync_handler+0x84/0xf0 [ 93.172488][ T4667] el0t_64_sync+0x18c/0x190 [ 93.173204][ T4667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.175111][ T4667] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.308809][ T4669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.309924][ T4669] CPU: 0 PID: 4669 Comm: syz.1.81 Not tainted syzkaller #0 [ 93.310994][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.312555][ T4669] Call trace: [ 93.313013][ T4669] dump_backtrace+0x1c8/0x1f4 [ 93.313701][ T4669] show_stack+0x2c/0x3c [ 93.314326][ T4669] __dump_stack+0x30/0x40 [ 93.314939][ T4669] dump_stack_lvl+0xf8/0x160 [ 93.315675][ T4669] dump_stack+0x1c/0x5c [ 93.316309][ T4669] sysfs_create_dir_ns+0x22c/0x24c [ 93.317089][ T4669] kobject_add_internal+0x5a8/0xb30 [ 93.317927][ T4669] kobject_init_and_add+0x118/0x17c [ 93.318768][ T4669] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.319484][ T4669] gfs2_fill_super+0xdec/0x19ec [ 93.320215][ T4669] get_tree_bdev+0x358/0x544 [ 93.320970][ T4669] gfs2_get_tree+0x54/0x1b4 [ 93.321700][ T4669] vfs_get_tree+0x90/0x274 [ 93.322338][ T4669] do_new_mount+0x228/0x810 [ 93.323054][ T4669] path_mount+0x5b4/0xe78 [ 93.323723][ T4669] __arm64_sys_mount+0x49c/0x584 [ 93.324471][ T4669] invoke_syscall+0x98/0x2bc [ 93.325225][ T4669] el0_svc_common+0x138/0x258 [ 93.325953][ T4669] do_el0_svc+0x58/0x13c [ 93.326628][ T4669] el0_svc+0x58/0x138 [ 93.327265][ T4669] el0t_64_sync_handler+0x84/0xf0 [ 93.328015][ T4669] el0t_64_sync+0x18c/0x190 [ 93.331798][ T4669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.333886][ T4669] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.459015][ T4671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.460189][ T4671] CPU: 0 PID: 4671 Comm: syz.1.82 Not tainted syzkaller #0 [ 93.461228][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.463028][ T4671] Call trace: [ 93.463643][ T4671] dump_backtrace+0x1c8/0x1f4 [ 93.464407][ T4671] show_stack+0x2c/0x3c [ 93.465042][ T4671] __dump_stack+0x30/0x40 [ 93.465723][ T4671] dump_stack_lvl+0xf8/0x160 [ 93.466457][ T4671] dump_stack+0x1c/0x5c [ 93.467090][ T4671] sysfs_create_dir_ns+0x22c/0x24c [ 93.467918][ T4671] kobject_add_internal+0x5a8/0xb30 [ 93.468774][ T4671] kobject_init_and_add+0x118/0x17c [ 93.469563][ T4671] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.470320][ T4671] gfs2_fill_super+0xdec/0x19ec [ 93.471054][ T4671] get_tree_bdev+0x358/0x544 [ 93.471738][ T4671] gfs2_get_tree+0x54/0x1b4 [ 93.472438][ T4671] vfs_get_tree+0x90/0x274 [ 93.473036][ T4671] do_new_mount+0x228/0x810 [ 93.473755][ T4671] path_mount+0x5b4/0xe78 [ 93.474447][ T4671] __arm64_sys_mount+0x49c/0x584 [ 93.475166][ T4671] invoke_syscall+0x98/0x2bc [ 93.475837][ T4671] el0_svc_common+0x138/0x258 [ 93.476500][ T4671] do_el0_svc+0x58/0x13c [ 93.477135][ T4671] el0_svc+0x58/0x138 [ 93.477706][ T4671] el0t_64_sync_handler+0x84/0xf0 [ 93.478490][ T4671] el0t_64_sync+0x18c/0x190 [ 93.480418][ T4671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.482478][ T4671] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.606724][ T4673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.607950][ T4673] CPU: 1 PID: 4673 Comm: syz.1.83 Not tainted syzkaller #0 [ 93.609040][ T4673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.610606][ T4673] Call trace: [ 93.611188][ T4673] dump_backtrace+0x1c8/0x1f4 [ 93.611917][ T4673] show_stack+0x2c/0x3c [ 93.612509][ T4673] __dump_stack+0x30/0x40 [ 93.613153][ T4673] dump_stack_lvl+0xf8/0x160 [ 93.613814][ T4673] dump_stack+0x1c/0x5c [ 93.614434][ T4673] sysfs_create_dir_ns+0x22c/0x24c [ 93.615232][ T4673] kobject_add_internal+0x5a8/0xb30 [ 93.616037][ T4673] kobject_init_and_add+0x118/0x17c [ 93.616818][ T4673] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.617471][ T4673] gfs2_fill_super+0xdec/0x19ec [ 93.618162][ T4673] get_tree_bdev+0x358/0x544 [ 93.618826][ T4673] gfs2_get_tree+0x54/0x1b4 [ 93.619494][ T4673] vfs_get_tree+0x90/0x274 [ 93.620179][ T4673] do_new_mount+0x228/0x810 [ 93.620861][ T4673] path_mount+0x5b4/0xe78 [ 93.621503][ T4673] __arm64_sys_mount+0x49c/0x584 [ 93.622228][ T4673] invoke_syscall+0x98/0x2bc [ 93.622915][ T4673] el0_svc_common+0x138/0x258 [ 93.623654][ T4673] do_el0_svc+0x58/0x13c [ 93.624293][ T4673] el0_svc+0x58/0x138 [ 93.624883][ T4673] el0t_64_sync_handler+0x84/0xf0 [ 93.625638][ T4673] el0t_64_sync+0x18c/0x190 [ 93.626502][ T4673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.628692][ T4673] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.758449][ T4675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.759754][ T4675] CPU: 0 PID: 4675 Comm: syz.1.84 Not tainted syzkaller #0 [ 93.760902][ T4675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.762367][ T4675] Call trace: [ 93.762855][ T4675] dump_backtrace+0x1c8/0x1f4 [ 93.763518][ T4675] show_stack+0x2c/0x3c [ 93.764126][ T4675] __dump_stack+0x30/0x40 [ 93.764797][ T4675] dump_stack_lvl+0xf8/0x160 [ 93.765522][ T4675] dump_stack+0x1c/0x5c [ 93.766127][ T4675] sysfs_create_dir_ns+0x22c/0x24c [ 93.767003][ T4675] kobject_add_internal+0x5a8/0xb30 [ 93.767842][ T4675] kobject_init_and_add+0x118/0x17c [ 93.768694][ T4675] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.769532][ T4675] gfs2_fill_super+0xdec/0x19ec [ 93.770325][ T4675] get_tree_bdev+0x358/0x544 [ 93.771023][ T4675] gfs2_get_tree+0x54/0x1b4 [ 93.771757][ T4675] vfs_get_tree+0x90/0x274 [ 93.772397][ T4675] do_new_mount+0x228/0x810 [ 93.773021][ T4675] path_mount+0x5b4/0xe78 [ 93.773622][ T4675] __arm64_sys_mount+0x49c/0x584 [ 93.774332][ T4675] invoke_syscall+0x98/0x2bc [ 93.774987][ T4675] el0_svc_common+0x138/0x258 [ 93.775647][ T4675] do_el0_svc+0x58/0x13c [ 93.776296][ T4675] el0_svc+0x58/0x138 [ 93.776888][ T4675] el0t_64_sync_handler+0x84/0xf0 [ 93.777670][ T4675] el0t_64_sync+0x18c/0x190 [ 93.778927][ T4675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.780866][ T4675] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 93.909940][ T4677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 93.911093][ T4677] CPU: 1 PID: 4677 Comm: syz.1.85 Not tainted syzkaller #0 [ 93.912154][ T4677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 93.913623][ T4677] Call trace: [ 93.914071][ T4677] dump_backtrace+0x1c8/0x1f4 [ 93.914832][ T4677] show_stack+0x2c/0x3c [ 93.915461][ T4677] __dump_stack+0x30/0x40 [ 93.916139][ T4677] dump_stack_lvl+0xf8/0x160 [ 93.916860][ T4677] dump_stack+0x1c/0x5c [ 93.917549][ T4677] sysfs_create_dir_ns+0x22c/0x24c [ 93.918316][ T4677] kobject_add_internal+0x5a8/0xb30 [ 93.919106][ T4677] kobject_init_and_add+0x118/0x17c [ 93.919896][ T4677] gfs2_sys_fs_add+0x1dc/0x3d8 [ 93.920636][ T4677] gfs2_fill_super+0xdec/0x19ec [ 93.921383][ T4677] get_tree_bdev+0x358/0x544 [ 93.922069][ T4677] gfs2_get_tree+0x54/0x1b4 [ 93.922762][ T4677] vfs_get_tree+0x90/0x274 [ 93.923461][ T4677] do_new_mount+0x228/0x810 [ 93.924124][ T4677] path_mount+0x5b4/0xe78 [ 93.924764][ T4677] __arm64_sys_mount+0x49c/0x584 [ 93.925499][ T4677] invoke_syscall+0x98/0x2bc [ 93.926187][ T4677] el0_svc_common+0x138/0x258 [ 93.926836][ T4677] do_el0_svc+0x58/0x13c [ 93.927456][ T4677] el0_svc+0x58/0x138 [ 93.928040][ T4677] el0t_64_sync_handler+0x84/0xf0 [ 93.928762][ T4677] el0t_64_sync+0x18c/0x190 [ 93.930725][ T4677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 93.932768][ T4677] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:33 executed programs: 71 [ 94.055298][ T4679] set_capacity_and_notify: 24 callbacks suppressed [ 94.055307][ T4679] loop1: detected capacity change from 0 to 32768 [ 94.062024][ T4679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.063293][ T4679] CPU: 0 PID: 4679 Comm: syz.1.86 Not tainted syzkaller #0 [ 94.064407][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 94.065877][ T4679] Call trace: [ 94.066340][ T4679] dump_backtrace+0x1c8/0x1f4 [ 94.067066][ T4679] show_stack+0x2c/0x3c [ 94.067693][ T4679] __dump_stack+0x30/0x40 [ 94.068345][ T4679] dump_stack_lvl+0xf8/0x160 [ 94.069123][ T4679] dump_stack+0x1c/0x5c [ 94.069754][ T4679] sysfs_create_dir_ns+0x22c/0x24c [ 94.070541][ T4679] kobject_add_internal+0x5a8/0xb30 [ 94.071292][ T4679] kobject_init_and_add+0x118/0x17c [ 94.072054][ T4679] gfs2_sys_fs_add+0x1dc/0x3d8 [ 94.072817][ T4679] gfs2_fill_super+0xdec/0x19ec [ 94.073496][ T4679] get_tree_bdev+0x358/0x544 [ 94.074190][ T4679] gfs2_get_tree+0x54/0x1b4 [ 94.074901][ T4679] vfs_get_tree+0x90/0x274 [ 94.075612][ T4679] do_new_mount+0x228/0x810 [ 94.076294][ T4679] path_mount+0x5b4/0xe78 [ 94.076962][ T4679] __arm64_sys_mount+0x49c/0x584 [ 94.077748][ T4679] invoke_syscall+0x98/0x2bc [ 94.078471][ T4679] el0_svc_common+0x138/0x258 [ 94.079176][ T4679] do_el0_svc+0x58/0x13c [ 94.079798][ T4679] el0_svc+0x58/0x138 [ 94.080398][ T4679] el0t_64_sync_handler+0x84/0xf0 [ 94.081123][ T4679] el0t_64_sync+0x18c/0x190 [ 94.083042][ T4679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 94.085214][ T4679] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 94.200804][ T4681] loop1: detected capacity change from 0 to 32768 [ 94.202408][ T4681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.203594][ T4681] CPU: 1 PID: 4681 Comm: syz.1.87 Not tainted syzkaller #0 [ 94.204723][ T4681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 94.206195][ T4681] Call trace: [ 94.206763][ T4681] dump_backtrace+0x1c8/0x1f4 [ 94.207478][ T4681] show_stack+0x2c/0x3c [ 94.208117][ T4681] __dump_stack+0x30/0x40 [ 94.208745][ T4681] dump_stack_lvl+0xf8/0x160 [ 94.209403][ T4681] dump_stack+0x1c/0x5c [ 94.210062][ T4681] sysfs_create_dir_ns+0x22c/0x24c [ 94.210816][ T4681] kobject_add_internal+0x5a8/0xb30 [ 94.211586][ T4681] kobject_init_and_add+0x118/0x17c [ 94.212368][ T4681] gfs2_sys_fs_add+0x1dc/0x3d8 [ 94.213070][ T4681] gfs2_fill_super+0xdec/0x19ec [ 94.213744][ T4681] get_tree_bdev+0x358/0x544 [ 94.214414][ T4681] gfs2_get_tree+0x54/0x1b4 [ 94.215136][ T4681] vfs_get_tree+0x90/0x274 [ 94.215726][ T4681] do_new_mount+0x228/0x810 [ 94.216417][ T4681] path_mount+0x5b4/0xe78 [ 94.217074][ T4681] __arm64_sys_mount+0x49c/0x584 [ 94.217823][ T4681] invoke_syscall+0x98/0x2bc [ 94.218677][ T4681] el0_svc_common+0x138/0x258 [ 94.219408][ T4681] do_el0_svc+0x58/0x13c [ 94.220105][ T4681] el0_svc+0x58/0x138 [ 94.220744][ T4681] el0t_64_sync_handler+0x84/0xf0 [ 94.221557][ T4681] el0t_64_sync+0x18c/0x190 [ 94.223892][ T4681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 94.226041][ T4681] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 94.350116][ T4683] loop1: detected capacity change from 0 to 32768 [ 94.355939][ T4683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.357055][ T4683] CPU: 0 PID: 4683 Comm: syz.1.88 Not tainted syzkaller #0 [ 94.358172][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 94.359685][ T4683] Call trace: [ 94.360203][ T4683] dump_backtrace+0x1c8/0x1f4 [ 94.360902][ T4683] show_stack+0x2c/0x3c [ 94.361521][ T4683] __dump_stack+0x30/0x40 [ 94.362141][ T4683] dump_stack_lvl+0xf8/0x160 [ 94.362783][ T4683] dump_stack+0x1c/0x5c [ 94.363325][ T4683] sysfs_create_dir_ns+0x22c/0x24c [ 94.364060][ T4683] kobject_add_internal+0x5a8/0xb30 [ 94.364843][ T4683] kobject_init_and_add+0x118/0x17c [ 94.365631][ T4683] gfs2_sys_fs_add+0x1dc/0x3d8 [ 94.366339][ T4683] gfs2_fill_super+0xdec/0x19ec [ 94.367081][ T4683] get_tree_bdev+0x358/0x544 [ 94.367783][ T4683] gfs2_get_tree+0x54/0x1b4 [ 94.368472][ T4683] vfs_get_tree+0x90/0x274 [ 94.369173][ T4683] do_new_mount+0x228/0x810 [ 94.369890][ T4683] path_mount+0x5b4/0xe78 [ 94.370559][ T4683] __arm64_sys_mount+0x49c/0x584 [ 94.371380][ T4683] invoke_syscall+0x98/0x2bc [ 94.372178][ T4683] el0_svc_common+0x138/0x258 [ 94.372955][ T4683] do_el0_svc+0x58/0x13c [ 94.373657][ T4683] el0_svc+0x58/0x138 [ 94.374336][ T4683] el0t_64_sync_handler+0x84/0xf0 [ 94.375066][ T4683] el0t_64_sync+0x18c/0x190 [ 94.375888][ T4683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 94.377778][ T4683] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 94.508056][ T4685] loop1: detected capacity change from 0 to 32768 [ 94.509798][ T4685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.510877][ T4685] CPU: 1 PID: 4685 Comm: syz.1.89 Not tainted syzkaller #0 [ 94.511958][ T4685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 94.513455][ T4685] Call trace: [ 94.513919][ T4685] dump_backtrace+0x1c8/0x1f4 [ 94.514617][ T4685] show_stack+0x2c/0x3c [ 94.515286][ T4685] __dump_stack+0x30/0x40 [ 94.515978][ T4685] dump_stack_lvl+0xf8/0x160 [ 94.516669][ T4685] dump_stack+0x1c/0x5c [ 94.517345][ T4685] sysfs_create_dir_ns+0x22c/0x24c [ 94.518106][ T4685] kobject_add_internal+0x5a8/0xb30 [ 94.518865][ T4685] kobject_init_and_add+0x118/0x17c [ 94.519654][ T4685] gfs2_sys_fs_add+0x1dc/0x3d8 [ 94.520349][ T4685] gfs2_fill_super+0xdec/0x19ec [ 94.521077][ T4685] get_tree_bdev+0x358/0x544 [ 94.521732][ T4685] gfs2_get_tree+0x54/0x1b4 [ 94.522389][ T4685] vfs_get_tree+0x90/0x274 [ 94.523032][ T4685] do_new_mount+0x228/0x810 [ 94.523690][ T4685] path_mount+0x5b4/0xe78 [ 94.524341][ T4685] __arm64_sys_mount+0x49c/0x584 [ 94.525048][ T4685] invoke_syscall+0x98/0x2bc [ 94.525756][ T4685] el0_svc_common+0x138/0x258 [ 94.526424][ T4685] do_el0_svc+0x58/0x13c [ 94.527070][ T4685] el0_svc+0x58/0x138 [ 94.527679][ T4685] el0t_64_sync_handler+0x84/0xf0 [ 94.528388][ T4685] el0t_64_sync+0x18c/0x190 [ 94.530291][ T4685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 94.532290][ T4685] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 94.652923][ T4687] loop1: detected capacity change from 0 to 32768 [ 94.658019][ T4687] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.659223][ T4687] CPU: 0 PID: 4687 Comm: syz.1.90 Not tainted syzkaller #0 [ 94.660386][ T4687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 94.662011][ T4687] Call trace: [ 94.662537][ T4687] dump_backtrace+0x1c8/0x1f4 [ 94.663311][ T4687] show_stack+0x2c/0x3c [ 94.663979][ T4687] __dump_stack+0x30/0x40 [ 94.664676][ T4687] dump_stack_lvl+0xf8/0x160 [ 94.665453][ T4687] dump_stack+0x1c/0x5c [ 94.666115][ T4687] sysfs_create_dir_ns+0x22c/0x24c [ 94.666908][ T4687] kobject_add_internal+0x5a8/0xb30 [ 94.667718][ T4687] kobject_init_and_add+0x118/0x17c [ 94.668485][ T4687] gfs2_sys_fs_add+0x1dc/0x3d8 [ 94.669205][ T4687] gfs2_fill_super+0xdec/0x19ec [ 94.670005][ T4687] get_tree_bdev+0x358/0x544 [ 94.670648][ T4687] gfs2_get_tree+0x54/0x1b4 [ 94.671299][ T4687] vfs_get_tree+0x90/0x274 [ 94.671984][ T4687] do_new_mount+0x228/0x810 [ 94.672580][ T4687] path_mount+0x5b4/0xe78 [ 94.673261][ T4687] __arm64_sys_mount+0x49c/0x584 [ 94.674024][ T4687] invoke_syscall+0x98/0x2bc [ 94.674722][ T4687] el0_svc_common+0x138/0x258 [ 94.675399][ T4687] do_el0_svc+0x58/0x13c [ 94.676082][ T4687] el0_svc+0x58/0x138 [ 94.676716][ T4687] el0t_64_sync_handler+0x84/0xf0 [ 94.677512][ T4687] el0t_64_sync+0x18c/0x190 [ 94.679600][ T4687] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 94.681724][ T4687] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 94.796096][ T4689] loop1: detected capacity change from 0 to 32768 [ 94.802074][ T4689] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.803169][ T4689] CPU: 1 PID: 4689 Comm: syz.1.91 Not tainted syzkaller #0 [ 94.804198][ T4689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 94.805753][ T4689] Call trace: [ 94.806278][ T4689] dump_backtrace+0x1c8/0x1f4 [ 94.806950][ T4689] show_stack+0x2c/0x3c [ 94.807569][ T4689] __dump_stack+0x30/0x40 [ 94.808182][ T4689] dump_stack_lvl+0xf8/0x160 [ 94.808870][ T4689] dump_stack+0x1c/0x5c [ 94.809472][ T4689] sysfs_create_dir_ns+0x22c/0x24c [ 94.810223][ T4689] kobject_add_internal+0x5a8/0xb30 [ 94.811146][ T4689] kobject_init_and_add+0x118/0x17c [ 94.811922][ T4689] gfs2_sys_fs_add+0x1dc/0x3d8 [ 94.812585][ T4689] gfs2_fill_super+0xdec/0x19ec [ 94.813333][ T4689] get_tree_bdev+0x358/0x544 [ 94.814048][ T4689] gfs2_get_tree+0x54/0x1b4 [ 94.814727][ T4689] vfs_get_tree+0x90/0x274 [ 94.815295][ T4689] do_new_mount+0x228/0x810 [ 94.815970][ T4689] path_mount+0x5b4/0xe78 [ 94.816557][ T4689] __arm64_sys_mount+0x49c/0x584 [ 94.817252][ T4689] invoke_syscall+0x98/0x2bc [ 94.817978][ T4689] el0_svc_common+0x138/0x258 [ 94.818706][ T4689] do_el0_svc+0x58/0x13c [ 94.819334][ T4689] el0_svc+0x58/0x138 [ 94.819924][ T4689] el0t_64_sync_handler+0x84/0xf0 [ 94.820655][ T4689] el0t_64_sync+0x18c/0x190 [ 94.822527][ T4689] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 94.824749][ T4689] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 94.948444][ T4691] loop1: detected capacity change from 0 to 32768 [ 94.950099][ T4691] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 94.951256][ T4691] CPU: 0 PID: 4691 Comm: syz.1.92 Not tainted syzkaller #0 [ 94.952311][ T4691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 94.953874][ T4691] Call trace: [ 94.954326][ T4691] dump_backtrace+0x1c8/0x1f4 [ 94.955031][ T4691] show_stack+0x2c/0x3c [ 94.955694][ T4691] __dump_stack+0x30/0x40 [ 94.956316][ T4691] dump_stack_lvl+0xf8/0x160 [ 94.956999][ T4691] dump_stack+0x1c/0x5c [ 94.957625][ T4691] sysfs_create_dir_ns+0x22c/0x24c [ 94.958338][ T4691] kobject_add_internal+0x5a8/0xb30 [ 94.959116][ T4691] kobject_init_and_add+0x118/0x17c [ 94.959930][ T4691] gfs2_sys_fs_add+0x1dc/0x3d8 [ 94.960671][ T4691] gfs2_fill_super+0xdec/0x19ec [ 94.961416][ T4691] get_tree_bdev+0x358/0x544 [ 94.962091][ T4691] gfs2_get_tree+0x54/0x1b4 [ 94.962733][ T4691] vfs_get_tree+0x90/0x274 [ 94.963384][ T4691] do_new_mount+0x228/0x810 [ 94.964173][ T4691] path_mount+0x5b4/0xe78 [ 94.964794][ T4691] __arm64_sys_mount+0x49c/0x584 [ 94.965538][ T4691] invoke_syscall+0x98/0x2bc [ 94.966203][ T4691] el0_svc_common+0x138/0x258 [ 94.966896][ T4691] do_el0_svc+0x58/0x13c [ 94.967497][ T4691] el0_svc+0x58/0x138 [ 94.968137][ T4691] el0t_64_sync_handler+0x84/0xf0 [ 94.968898][ T4691] el0t_64_sync+0x18c/0x190 [ 94.969796][ T4691] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 94.971678][ T4691] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 95.087935][ T4693] loop1: detected capacity change from 0 to 32768 [ 95.093975][ T4693] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 95.095216][ T4693] CPU: 1 PID: 4693 Comm: syz.1.93 Not tainted syzkaller #0 [ 95.096356][ T4693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 95.097934][ T4693] Call trace: [ 95.098438][ T4693] dump_backtrace+0x1c8/0x1f4 [ 95.099117][ T4693] show_stack+0x2c/0x3c [ 95.099766][ T4693] __dump_stack+0x30/0x40 [ 95.100435][ T4693] dump_stack_lvl+0xf8/0x160 [ 95.101159][ T4693] dump_stack+0x1c/0x5c [ 95.101758][ T4693] sysfs_create_dir_ns+0x22c/0x24c [ 95.102514][ T4693] kobject_add_internal+0x5a8/0xb30 [ 95.103336][ T4693] kobject_init_and_add+0x118/0x17c [ 95.104167][ T4693] gfs2_sys_fs_add+0x1dc/0x3d8 [ 95.104877][ T4693] gfs2_fill_super+0xdec/0x19ec [ 95.105619][ T4693] get_tree_bdev+0x358/0x544 [ 95.106306][ T4693] gfs2_get_tree+0x54/0x1b4 [ 95.106960][ T4693] vfs_get_tree+0x90/0x274 [ 95.107630][ T4693] do_new_mount+0x228/0x810 [ 95.108296][ T4693] path_mount+0x5b4/0xe78 [ 95.108922][ T4693] __arm64_sys_mount+0x49c/0x584 [ 95.109736][ T4693] invoke_syscall+0x98/0x2bc [ 95.110399][ T4693] el0_svc_common+0x138/0x258 [ 95.111097][ T4693] do_el0_svc+0x58/0x13c [ 95.111812][ T4693] el0_svc+0x58/0x138 [ 95.112382][ T4693] el0t_64_sync_handler+0x84/0xf0 [ 95.113131][ T4693] el0t_64_sync+0x18c/0x190 [ 95.113933][ T4693] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 95.115945][ T4693] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 95.234802][ T4695] loop1: detected capacity change from 0 to 32768 [ 95.244896][ T4695] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 95.246109][ T4695] CPU: 0 PID: 4695 Comm: syz.1.94 Not tainted syzkaller #0 [ 95.247197][ T4695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 95.248704][ T4695] Call trace: [ 95.249199][ T4695] dump_backtrace+0x1c8/0x1f4 [ 95.249904][ T4695] show_stack+0x2c/0x3c [ 95.250535][ T4695] __dump_stack+0x30/0x40 [ 95.251202][ T4695] dump_stack_lvl+0xf8/0x160 [ 95.251936][ T4695] dump_stack+0x1c/0x5c [ 95.252577][ T4695] sysfs_create_dir_ns+0x22c/0x24c [ 95.253349][ T4695] kobject_add_internal+0x5a8/0xb30 [ 95.254078][ T4695] kobject_init_and_add+0x118/0x17c [ 95.254848][ T4695] gfs2_sys_fs_add+0x1dc/0x3d8 [ 95.255636][ T4695] gfs2_fill_super+0xdec/0x19ec [ 95.256330][ T4695] get_tree_bdev+0x358/0x544 [ 95.257039][ T4695] gfs2_get_tree+0x54/0x1b4 [ 95.257679][ T4695] vfs_get_tree+0x90/0x274 [ 95.258317][ T4695] do_new_mount+0x228/0x810 [ 95.259014][ T4695] path_mount+0x5b4/0xe78 [ 95.259633][ T4695] __arm64_sys_mount+0x49c/0x584 [ 95.260325][ T4695] invoke_syscall+0x98/0x2bc [ 95.261034][ T4695] el0_svc_common+0x138/0x258 [ 95.261718][ T4695] do_el0_svc+0x58/0x13c [ 95.262363][ T4695] el0_svc+0x58/0x138 [ 95.262994][ T4695] el0t_64_sync_handler+0x84/0xf0 [ 95.263762][ T4695] el0t_64_sync+0x18c/0x190 [ 95.266506][ T4695] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 95.270259][ T4695] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 95.384883][ T4697] loop1: detected capacity change from 0 to 32768 [ 95.386736][ T4697] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 95.387932][ T4697] CPU: 1 PID: 4697 Comm: syz.1.95 Not tainted syzkaller #0 [ 95.389036][ T4697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 95.390520][ T4697] Call trace: [ 95.391049][ T4697] dump_backtrace+0x1c8/0x1f4 [ 95.391737][ T4697] show_stack+0x2c/0x3c [ 95.392312][ T4697] __dump_stack+0x30/0x40 [ 95.392979][ T4697] dump_stack_lvl+0xf8/0x160 [ 95.393743][ T4697] dump_stack+0x1c/0x5c [ 95.394357][ T4697] sysfs_create_dir_ns+0x22c/0x24c [ 95.395137][ T4697] kobject_add_internal+0x5a8/0xb30 [ 95.395957][ T4697] kobject_init_and_add+0x118/0x17c [ 95.396731][ T4697] gfs2_sys_fs_add+0x1dc/0x3d8 [ 95.397398][ T4697] gfs2_fill_super+0xdec/0x19ec [ 95.398109][ T4697] get_tree_bdev+0x358/0x544 [ 95.398819][ T4697] gfs2_get_tree+0x54/0x1b4 [ 95.399509][ T4697] vfs_get_tree+0x90/0x274 [ 95.400173][ T4697] do_new_mount+0x228/0x810 [ 95.400895][ T4697] path_mount+0x5b4/0xe78 [ 95.401565][ T4697] __arm64_sys_mount+0x49c/0x584 [ 95.402283][ T4697] invoke_syscall+0x98/0x2bc [ 95.402984][ T4697] el0_svc_common+0x138/0x258 [ 95.403736][ T4697] do_el0_svc+0x58/0x13c [ 95.404397][ T4697] el0_svc+0x58/0x138 [ 95.404982][ T4697] el0t_64_sync_handler+0x84/0xf0 [ 95.405680][ T4697] el0t_64_sync+0x18c/0x190 [ 95.406464][ T4697] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 95.408421][ T4697] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 95.548418][ T4699] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 95.549597][ T4699] CPU: 0 PID: 4699 Comm: syz.1.96 Not tainted syzkaller #0 [ 95.550687][ T4699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 95.552151][ T4699] Call trace: [ 95.552608][ T4699] dump_backtrace+0x1c8/0x1f4 [ 95.553261][ T4699] show_stack+0x2c/0x3c [ 95.553886][ T4699] __dump_stack+0x30/0x40 [ 95.554561][ T4699] dump_stack_lvl+0xf8/0x160 [ 95.555319][ T4699] dump_stack+0x1c/0x5c [ 95.555987][ T4699] sysfs_create_dir_ns+0x22c/0x24c [ 95.556777][ T4699] kobject_add_internal+0x5a8/0xb30 [ 95.557568][ T4699] kobject_init_and_add+0x118/0x17c [ 95.558400][ T4699] gfs2_sys_fs_add+0x1dc/0x3d8 [ 95.559108][ T4699] gfs2_fill_super+0xdec/0x19ec [ 95.559825][ T4699] get_tree_bdev+0x358/0x544 [ 95.560505][ T4699] gfs2_get_tree+0x54/0x1b4 [ 95.561145][ T4699] vfs_get_tree+0x90/0x274 [ 95.561814][ T4699] do_new_mount+0x228/0x810 [ 95.562458][ T4699] path_mount+0x5b4/0xe78 [ 95.563104][ T4699] __arm64_sys_mount+0x49c/0x584 [ 95.563908][ T4699] invoke_syscall+0x98/0x2bc [ 95.564644][ T4699] el0_svc_common+0x138/0x258 [ 95.565314][ T4699] do_el0_svc+0x58/0x13c [ 95.565936][ T4699] el0_svc+0x58/0x138 [ 95.566516][ T4699] el0t_64_sync_handler+0x84/0xf0 [ 95.567259][ T4699] el0t_64_sync+0x18c/0x190 [ 95.569625][ T4699] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 95.571743][ T4699] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 95.693929][ T4701] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 95.695249][ T4701] CPU: 1 PID: 4701 Comm: syz.1.97 Not tainted syzkaller #0 [ 95.696297][ T4701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 95.697746][ T4701] Call trace: [ 95.698246][ T4701] dump_backtrace+0x1c8/0x1f4 [ 95.698986][ T4701] show_stack+0x2c/0x3c [ 95.699623][ T4701] __dump_stack+0x30/0x40 [ 95.700271][ T4701] dump_stack_lvl+0xf8/0x160 [ 95.700941][ T4701] dump_stack+0x1c/0x5c [ 95.701509][ T4701] sysfs_create_dir_ns+0x22c/0x24c [ 95.702192][ T4701] kobject_add_internal+0x5a8/0xb30 [ 95.702951][ T4701] kobject_init_and_add+0x118/0x17c [ 95.703625][ T4701] gfs2_sys_fs_add+0x1dc/0x3d8 [ 95.704273][ T4701] gfs2_fill_super+0xdec/0x19ec [ 95.705059][ T4701] get_tree_bdev+0x358/0x544 [ 95.705801][ T4701] gfs2_get_tree+0x54/0x1b4 [ 95.706466][ T4701] vfs_get_tree+0x90/0x274 [ 95.707068][ T4701] do_new_mount+0x228/0x810 [ 95.707727][ T4701] path_mount+0x5b4/0xe78 [ 95.708392][ T4701] __arm64_sys_mount+0x49c/0x584 [ 95.709145][ T4701] invoke_syscall+0x98/0x2bc [ 95.709781][ T4701] el0_svc_common+0x138/0x258 [ 95.710482][ T4701] do_el0_svc+0x58/0x13c [ 95.711146][ T4701] el0_svc+0x58/0x138 [ 95.711720][ T4701] el0t_64_sync_handler+0x84/0xf0 [ 95.712489][ T4701] el0t_64_sync+0x18c/0x190 [ 95.713301][ T4701] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 95.715369][ T4701] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 95.835580][ T4703] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 95.836749][ T4703] CPU: 0 PID: 4703 Comm: syz.1.98 Not tainted syzkaller #0 [ 95.837775][ T4703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 95.839061][ T4703] Call trace: [ 95.839559][ T4703] dump_backtrace+0x1c8/0x1f4 [ 95.840232][ T4703] show_stack+0x2c/0x3c [ 95.840827][ T4703] __dump_stack+0x30/0x40 [ 95.841430][ T4703] dump_stack_lvl+0xf8/0x160 [ 95.842127][ T4703] dump_stack+0x1c/0x5c [ 95.842735][ T4703] sysfs_create_dir_ns+0x22c/0x24c [ 95.843537][ T4703] kobject_add_internal+0x5a8/0xb30 [ 95.844319][ T4703] kobject_init_and_add+0x118/0x17c [ 95.845041][ T4703] gfs2_sys_fs_add+0x1dc/0x3d8 [ 95.845798][ T4703] gfs2_fill_super+0xdec/0x19ec [ 95.846534][ T4703] get_tree_bdev+0x358/0x544 [ 95.847186][ T4703] gfs2_get_tree+0x54/0x1b4 [ 95.847846][ T4703] vfs_get_tree+0x90/0x274 [ 95.848543][ T4703] do_new_mount+0x228/0x810 [ 95.849216][ T4703] path_mount+0x5b4/0xe78 [ 95.849847][ T4703] __arm64_sys_mount+0x49c/0x584 [ 95.850646][ T4703] invoke_syscall+0x98/0x2bc [ 95.851350][ T4703] el0_svc_common+0x138/0x258 [ 95.852106][ T4703] do_el0_svc+0x58/0x13c [ 95.852761][ T4703] el0_svc+0x58/0x138 [ 95.853371][ T4703] el0t_64_sync_handler+0x84/0xf0 [ 95.854186][ T4703] el0t_64_sync+0x18c/0x190 [ 95.856329][ T4703] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 95.858366][ T4703] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 95.980266][ T4705] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 95.981573][ T4705] CPU: 1 PID: 4705 Comm: syz.1.99 Not tainted syzkaller #0 [ 95.982763][ T4705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 95.984368][ T4705] Call trace: [ 95.984877][ T4705] dump_backtrace+0x1c8/0x1f4 [ 95.985648][ T4705] show_stack+0x2c/0x3c [ 95.986287][ T4705] __dump_stack+0x30/0x40 [ 95.986969][ T4705] dump_stack_lvl+0xf8/0x160 [ 95.987650][ T4705] dump_stack+0x1c/0x5c [ 95.988275][ T4705] sysfs_create_dir_ns+0x22c/0x24c [ 95.989061][ T4705] kobject_add_internal+0x5a8/0xb30 [ 95.989826][ T4705] kobject_init_and_add+0x118/0x17c [ 95.990658][ T4705] gfs2_sys_fs_add+0x1dc/0x3d8 [ 95.991431][ T4705] gfs2_fill_super+0xdec/0x19ec [ 95.992173][ T4705] get_tree_bdev+0x358/0x544 [ 95.992875][ T4705] gfs2_get_tree+0x54/0x1b4 [ 95.993599][ T4705] vfs_get_tree+0x90/0x274 [ 95.994226][ T4705] do_new_mount+0x228/0x810 [ 95.994938][ T4705] path_mount+0x5b4/0xe78 [ 95.995531][ T4705] __arm64_sys_mount+0x49c/0x584 [ 95.996286][ T4705] invoke_syscall+0x98/0x2bc [ 95.996964][ T4705] el0_svc_common+0x138/0x258 [ 95.997641][ T4705] do_el0_svc+0x58/0x13c [ 95.998207][ T4705] el0_svc+0x58/0x138 [ 95.998797][ T4705] el0t_64_sync_handler+0x84/0xf0 [ 95.999526][ T4705] el0t_64_sync+0x18c/0x190 [ 96.000340][ T4705] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 96.002191][ T4705] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 96.127758][ T4707] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 96.129007][ T4707] CPU: 0 PID: 4707 Comm: syz.1.100 Not tainted syzkaller #0 [ 96.130113][ T4707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 96.131613][ T4707] Call trace: [ 96.132135][ T4707] dump_backtrace+0x1c8/0x1f4 [ 96.132906][ T4707] show_stack+0x2c/0x3c [ 96.133557][ T4707] __dump_stack+0x30/0x40 [ 96.134205][ T4707] dump_stack_lvl+0xf8/0x160 [ 96.134879][ T4707] dump_stack+0x1c/0x5c [ 96.135519][ T4707] sysfs_create_dir_ns+0x22c/0x24c [ 96.136343][ T4707] kobject_add_internal+0x5a8/0xb30 [ 96.137157][ T4707] kobject_init_and_add+0x118/0x17c [ 96.137968][ T4707] gfs2_sys_fs_add+0x1dc/0x3d8 [ 96.138719][ T4707] gfs2_fill_super+0xdec/0x19ec [ 96.139437][ T4707] get_tree_bdev+0x358/0x544 [ 96.140152][ T4707] gfs2_get_tree+0x54/0x1b4 [ 96.140850][ T4707] vfs_get_tree+0x90/0x274 [ 96.141495][ T4707] do_new_mount+0x228/0x810 [ 96.142179][ T4707] path_mount+0x5b4/0xe78 [ 96.142907][ T4707] __arm64_sys_mount+0x49c/0x584 [ 96.143642][ T4707] invoke_syscall+0x98/0x2bc [ 96.144418][ T4707] el0_svc_common+0x138/0x258 [ 96.145136][ T4707] do_el0_svc+0x58/0x13c [ 96.145808][ T4707] el0_svc+0x58/0x138 [ 96.146428][ T4707] el0t_64_sync_handler+0x84/0xf0 [ 96.147195][ T4707] el0t_64_sync+0x18c/0x190 [ 96.150709][ T4707] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 96.152692][ T4707] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 96.281218][ T4709] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 96.282437][ T4709] CPU: 0 PID: 4709 Comm: syz.1.101 Not tainted syzkaller #0 [ 96.283552][ T4709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 96.285026][ T4709] Call trace: [ 96.285526][ T4709] dump_backtrace+0x1c8/0x1f4 [ 96.286276][ T4709] show_stack+0x2c/0x3c [ 96.286919][ T4709] __dump_stack+0x30/0x40 [ 96.287561][ T4709] dump_stack_lvl+0xf8/0x160 [ 96.288297][ T4709] dump_stack+0x1c/0x5c [ 96.288955][ T4709] sysfs_create_dir_ns+0x22c/0x24c [ 96.289680][ T4709] kobject_add_internal+0x5a8/0xb30 [ 96.290417][ T4709] kobject_init_and_add+0x118/0x17c [ 96.291200][ T4709] gfs2_sys_fs_add+0x1dc/0x3d8 [ 96.291903][ T4709] gfs2_fill_super+0xdec/0x19ec [ 96.292608][ T4709] get_tree_bdev+0x358/0x544 [ 96.293282][ T4709] gfs2_get_tree+0x54/0x1b4 [ 96.293889][ T4709] vfs_get_tree+0x90/0x274 [ 96.294570][ T4709] do_new_mount+0x228/0x810 [ 96.295271][ T4709] path_mount+0x5b4/0xe78 [ 96.295947][ T4709] __arm64_sys_mount+0x49c/0x584 [ 96.296788][ T4709] invoke_syscall+0x98/0x2bc [ 96.297518][ T4709] el0_svc_common+0x138/0x258 [ 96.298312][ T4709] do_el0_svc+0x58/0x13c [ 96.298981][ T4709] el0_svc+0x58/0x138 [ 96.299614][ T4709] el0t_64_sync_handler+0x84/0xf0 [ 96.300434][ T4709] el0t_64_sync+0x18c/0x190 [ 96.302254][ T4709] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 96.304299][ T4709] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 96.419672][ T4711] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 96.420824][ T4711] CPU: 0 PID: 4711 Comm: syz.1.102 Not tainted syzkaller #0 [ 96.422009][ T4711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 96.423589][ T4711] Call trace: [ 96.424118][ T4711] dump_backtrace+0x1c8/0x1f4 [ 96.424839][ T4711] show_stack+0x2c/0x3c [ 96.425462][ T4711] __dump_stack+0x30/0x40 [ 96.426164][ T4711] dump_stack_lvl+0xf8/0x160 [ 96.426931][ T4711] dump_stack+0x1c/0x5c [ 96.427579][ T4711] sysfs_create_dir_ns+0x22c/0x24c [ 96.428316][ T4711] kobject_add_internal+0x5a8/0xb30 [ 96.429104][ T4711] kobject_init_and_add+0x118/0x17c [ 96.429902][ T4711] gfs2_sys_fs_add+0x1dc/0x3d8 [ 96.430632][ T4711] gfs2_fill_super+0xdec/0x19ec [ 96.431349][ T4711] get_tree_bdev+0x358/0x544 [ 96.432064][ T4711] gfs2_get_tree+0x54/0x1b4 [ 96.432702][ T4711] vfs_get_tree+0x90/0x274 [ 96.433359][ T4711] do_new_mount+0x228/0x810 [ 96.433993][ T4711] path_mount+0x5b4/0xe78 [ 96.434693][ T4711] __arm64_sys_mount+0x49c/0x584 [ 96.435588][ T4711] invoke_syscall+0x98/0x2bc [ 96.436363][ T4711] el0_svc_common+0x138/0x258 [ 96.437151][ T4711] do_el0_svc+0x58/0x13c [ 96.437884][ T4711] el0_svc+0x58/0x138 [ 96.438523][ T4711] el0t_64_sync_handler+0x84/0xf0 [ 96.439418][ T4711] el0t_64_sync+0x18c/0x190 [ 96.441499][ T4711] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 96.443467][ T4711] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 96.563531][ T4713] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 96.564761][ T4713] CPU: 1 PID: 4713 Comm: syz.1.103 Not tainted syzkaller #0 [ 96.565924][ T4713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 96.567409][ T4713] Call trace: [ 96.567882][ T4713] dump_backtrace+0x1c8/0x1f4 [ 96.568575][ T4713] show_stack+0x2c/0x3c [ 96.569193][ T4713] __dump_stack+0x30/0x40 [ 96.569854][ T4713] dump_stack_lvl+0xf8/0x160 [ 96.570544][ T4713] dump_stack+0x1c/0x5c [ 96.571175][ T4713] sysfs_create_dir_ns+0x22c/0x24c [ 96.571949][ T4713] kobject_add_internal+0x5a8/0xb30 [ 96.572757][ T4713] kobject_init_and_add+0x118/0x17c [ 96.573560][ T4713] gfs2_sys_fs_add+0x1dc/0x3d8 [ 96.574271][ T4713] gfs2_fill_super+0xdec/0x19ec [ 96.574982][ T4713] get_tree_bdev+0x358/0x544 [ 96.575716][ T4713] gfs2_get_tree+0x54/0x1b4 [ 96.576406][ T4713] vfs_get_tree+0x90/0x274 [ 96.577075][ T4713] do_new_mount+0x228/0x810 [ 96.577774][ T4713] path_mount+0x5b4/0xe78 [ 96.578443][ T4713] __arm64_sys_mount+0x49c/0x584 [ 96.579136][ T4713] invoke_syscall+0x98/0x2bc [ 96.579803][ T4713] el0_svc_common+0x138/0x258 [ 96.580533][ T4713] do_el0_svc+0x58/0x13c [ 96.581188][ T4713] el0_svc+0x58/0x138 [ 96.581718][ T4713] el0t_64_sync_handler+0x84/0xf0 [ 96.582459][ T4713] el0t_64_sync+0x18c/0x190 [ 96.583239][ T4713] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 96.585271][ T4713] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 96.711112][ T4715] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 96.712759][ T4715] CPU: 0 PID: 4715 Comm: syz.1.104 Not tainted syzkaller #0 [ 96.713912][ T4715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 96.715606][ T4715] Call trace: [ 96.716173][ T4715] dump_backtrace+0x1c8/0x1f4 [ 96.716952][ T4715] show_stack+0x2c/0x3c [ 96.717594][ T4715] __dump_stack+0x30/0x40 [ 96.718241][ T4715] dump_stack_lvl+0xf8/0x160 [ 96.718982][ T4715] dump_stack+0x1c/0x5c [ 96.719643][ T4715] sysfs_create_dir_ns+0x22c/0x24c [ 96.720437][ T4715] kobject_add_internal+0x5a8/0xb30 [ 96.721389][ T4715] kobject_init_and_add+0x118/0x17c [ 96.722171][ T4715] gfs2_sys_fs_add+0x1dc/0x3d8 [ 96.722916][ T4715] gfs2_fill_super+0xdec/0x19ec [ 96.723690][ T4715] get_tree_bdev+0x358/0x544 [ 96.724397][ T4715] gfs2_get_tree+0x54/0x1b4 [ 96.725085][ T4715] vfs_get_tree+0x90/0x274 [ 96.725770][ T4715] do_new_mount+0x228/0x810 [ 96.726434][ T4715] path_mount+0x5b4/0xe78 [ 96.727094][ T4715] __arm64_sys_mount+0x49c/0x584 [ 96.727855][ T4715] invoke_syscall+0x98/0x2bc [ 96.728550][ T4715] el0_svc_common+0x138/0x258 [ 96.729294][ T4715] do_el0_svc+0x58/0x13c [ 96.729881][ T4715] el0_svc+0x58/0x138 [ 96.730447][ T4715] el0t_64_sync_handler+0x84/0xf0 [ 96.731179][ T4715] el0t_64_sync+0x18c/0x190 [ 96.731971][ T4715] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 96.733875][ T4715] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 96.867297][ T4717] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 96.868572][ T4717] CPU: 0 PID: 4717 Comm: syz.1.105 Not tainted syzkaller #0 [ 96.869616][ T4717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 96.871009][ T4717] Call trace: [ 96.871538][ T4717] dump_backtrace+0x1c8/0x1f4 [ 96.872217][ T4717] show_stack+0x2c/0x3c [ 96.872774][ T4717] __dump_stack+0x30/0x40 [ 96.873430][ T4717] dump_stack_lvl+0xf8/0x160 [ 96.874108][ T4717] dump_stack+0x1c/0x5c [ 96.874759][ T4717] sysfs_create_dir_ns+0x22c/0x24c [ 96.875519][ T4717] kobject_add_internal+0x5a8/0xb30 [ 96.876235][ T4717] kobject_init_and_add+0x118/0x17c [ 96.876973][ T4717] gfs2_sys_fs_add+0x1dc/0x3d8 [ 96.877660][ T4717] gfs2_fill_super+0xdec/0x19ec [ 96.878352][ T4717] get_tree_bdev+0x358/0x544 [ 96.879047][ T4717] gfs2_get_tree+0x54/0x1b4 [ 96.879776][ T4717] vfs_get_tree+0x90/0x274 [ 96.880444][ T4717] do_new_mount+0x228/0x810 [ 96.881093][ T4717] path_mount+0x5b4/0xe78 [ 96.881756][ T4717] __arm64_sys_mount+0x49c/0x584 [ 96.882451][ T4717] invoke_syscall+0x98/0x2bc [ 96.883172][ T4717] el0_svc_common+0x138/0x258 [ 96.883908][ T4717] do_el0_svc+0x58/0x13c [ 96.884539][ T4717] el0_svc+0x58/0x138 [ 96.885156][ T4717] el0t_64_sync_handler+0x84/0xf0 [ 96.885892][ T4717] el0t_64_sync+0x18c/0x190 [ 96.887013][ T4717] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 96.888896][ T4717] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 97.020797][ T4719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 97.022058][ T4719] CPU: 0 PID: 4719 Comm: syz.1.106 Not tainted syzkaller #0 [ 97.023214][ T4719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 97.024807][ T4719] Call trace: [ 97.025290][ T4719] dump_backtrace+0x1c8/0x1f4 [ 97.026088][ T4719] show_stack+0x2c/0x3c [ 97.026763][ T4719] __dump_stack+0x30/0x40 [ 97.027480][ T4719] dump_stack_lvl+0xf8/0x160 [ 97.028303][ T4719] dump_stack+0x1c/0x5c [ 97.029022][ T4719] sysfs_create_dir_ns+0x22c/0x24c [ 97.029789][ T4719] kobject_add_internal+0x5a8/0xb30 [ 97.030596][ T4719] kobject_init_and_add+0x118/0x17c [ 97.031368][ T4719] gfs2_sys_fs_add+0x1dc/0x3d8 [ 97.032084][ T4719] gfs2_fill_super+0xdec/0x19ec [ 97.032819][ T4719] get_tree_bdev+0x358/0x544 [ 97.033541][ T4719] gfs2_get_tree+0x54/0x1b4 [ 97.034216][ T4719] vfs_get_tree+0x90/0x274 [ 97.034865][ T4719] do_new_mount+0x228/0x810 [ 97.035462][ T4719] path_mount+0x5b4/0xe78 [ 97.036116][ T4719] __arm64_sys_mount+0x49c/0x584 [ 97.036869][ T4719] invoke_syscall+0x98/0x2bc [ 97.037574][ T4719] el0_svc_common+0x138/0x258 [ 97.038233][ T4719] do_el0_svc+0x58/0x13c [ 97.038885][ T4719] el0_svc+0x58/0x138 [ 97.039470][ T4719] el0t_64_sync_handler+0x84/0xf0 [ 97.040203][ T4719] el0t_64_sync+0x18c/0x190 [ 97.041369][ T4719] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 97.044976][ T4719] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 97.159710][ T4721] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 97.160917][ T4721] CPU: 0 PID: 4721 Comm: syz.1.107 Not tainted syzkaller #0 [ 97.162047][ T4721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 97.163559][ T4721] Call trace: [ 97.164079][ T4721] dump_backtrace+0x1c8/0x1f4 [ 97.164856][ T4721] show_stack+0x2c/0x3c [ 97.165522][ T4721] __dump_stack+0x30/0x40 [ 97.166153][ T4721] dump_stack_lvl+0xf8/0x160 [ 97.166892][ T4721] dump_stack+0x1c/0x5c [ 97.167518][ T4721] sysfs_create_dir_ns+0x22c/0x24c [ 97.168303][ T4721] kobject_add_internal+0x5a8/0xb30 [ 97.169065][ T4721] kobject_init_and_add+0x118/0x17c [ 97.169846][ T4721] gfs2_sys_fs_add+0x1dc/0x3d8 [ 97.170527][ T4721] gfs2_fill_super+0xdec/0x19ec [ 97.171226][ T4721] get_tree_bdev+0x358/0x544 [ 97.171938][ T4721] gfs2_get_tree+0x54/0x1b4 [ 97.172599][ T4721] vfs_get_tree+0x90/0x274 [ 97.173333][ T4721] do_new_mount+0x228/0x810 [ 97.174145][ T4721] path_mount+0x5b4/0xe78 [ 97.174835][ T4721] __arm64_sys_mount+0x49c/0x584 [ 97.175595][ T4721] invoke_syscall+0x98/0x2bc [ 97.176322][ T4721] el0_svc_common+0x138/0x258 [ 97.177034][ T4721] do_el0_svc+0x58/0x13c [ 97.177757][ T4721] el0_svc+0x58/0x138 [ 97.178426][ T4721] el0t_64_sync_handler+0x84/0xf0 [ 97.179224][ T4721] el0t_64_sync+0x18c/0x190 [ 97.180130][ T4721] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 97.182397][ T4721] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 97.301964][ T4723] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 97.303154][ T4723] CPU: 1 PID: 4723 Comm: syz.1.108 Not tainted syzkaller #0 [ 97.304231][ T4723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 97.305729][ T4723] Call trace: [ 97.306180][ T4723] dump_backtrace+0x1c8/0x1f4 [ 97.306857][ T4723] show_stack+0x2c/0x3c [ 97.307508][ T4723] __dump_stack+0x30/0x40 [ 97.308131][ T4723] dump_stack_lvl+0xf8/0x160 [ 97.308790][ T4723] dump_stack+0x1c/0x5c [ 97.309396][ T4723] sysfs_create_dir_ns+0x22c/0x24c [ 97.310194][ T4723] kobject_add_internal+0x5a8/0xb30 [ 97.310983][ T4723] kobject_init_and_add+0x118/0x17c [ 97.311808][ T4723] gfs2_sys_fs_add+0x1dc/0x3d8 [ 97.312493][ T4723] gfs2_fill_super+0xdec/0x19ec [ 97.313165][ T4723] get_tree_bdev+0x358/0x544 [ 97.313838][ T4723] gfs2_get_tree+0x54/0x1b4 [ 97.314589][ T4723] vfs_get_tree+0x90/0x274 [ 97.315284][ T4723] do_new_mount+0x228/0x810 [ 97.316085][ T4723] path_mount+0x5b4/0xe78 [ 97.316759][ T4723] __arm64_sys_mount+0x49c/0x584 [ 97.317531][ T4723] invoke_syscall+0x98/0x2bc [ 97.318311][ T4723] el0_svc_common+0x138/0x258 [ 97.318992][ T4723] do_el0_svc+0x58/0x13c [ 97.319702][ T4723] el0_svc+0x58/0x138 [ 97.320283][ T4723] el0t_64_sync_handler+0x84/0xf0 [ 97.321069][ T4723] el0t_64_sync+0x18c/0x190 [ 97.322947][ T4723] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 97.324988][ T4723] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 97.455044][ T4725] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 97.456365][ T4725] CPU: 0 PID: 4725 Comm: syz.1.109 Not tainted syzkaller #0 [ 97.457454][ T4725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 97.458980][ T4725] Call trace: [ 97.459520][ T4725] dump_backtrace+0x1c8/0x1f4 [ 97.460170][ T4725] show_stack+0x2c/0x3c [ 97.460803][ T4725] __dump_stack+0x30/0x40 [ 97.461453][ T4725] dump_stack_lvl+0xf8/0x160 [ 97.462062][ T4725] dump_stack+0x1c/0x5c [ 97.462698][ T4725] sysfs_create_dir_ns+0x22c/0x24c [ 97.463438][ T4725] kobject_add_internal+0x5a8/0xb30 [ 97.464257][ T4725] kobject_init_and_add+0x118/0x17c [ 97.465041][ T4725] gfs2_sys_fs_add+0x1dc/0x3d8 [ 97.465761][ T4725] gfs2_fill_super+0xdec/0x19ec [ 97.466483][ T4725] get_tree_bdev+0x358/0x544 [ 97.467225][ T4725] gfs2_get_tree+0x54/0x1b4 [ 97.467888][ T4725] vfs_get_tree+0x90/0x274 [ 97.468640][ T4725] do_new_mount+0x228/0x810 [ 97.469308][ T4725] path_mount+0x5b4/0xe78 [ 97.470008][ T4725] __arm64_sys_mount+0x49c/0x584 [ 97.470769][ T4725] invoke_syscall+0x98/0x2bc [ 97.471474][ T4725] el0_svc_common+0x138/0x258 [ 97.472212][ T4725] do_el0_svc+0x58/0x13c [ 97.472837][ T4725] el0_svc+0x58/0x138 [ 97.473442][ T4725] el0t_64_sync_handler+0x84/0xf0 [ 97.474218][ T4725] el0t_64_sync+0x18c/0x190 [ 97.475852][ T4725] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 97.479339][ T4725] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 97.593829][ T4727] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 97.595340][ T4727] CPU: 1 PID: 4727 Comm: syz.1.110 Not tainted syzkaller #0 [ 97.596508][ T4727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 97.598228][ T4727] Call trace: [ 97.598776][ T4727] dump_backtrace+0x1c8/0x1f4 [ 97.599553][ T4727] show_stack+0x2c/0x3c [ 97.600213][ T4727] __dump_stack+0x30/0x40 [ 97.600897][ T4727] dump_stack_lvl+0xf8/0x160 [ 97.601612][ T4727] dump_stack+0x1c/0x5c [ 97.602259][ T4727] sysfs_create_dir_ns+0x22c/0x24c [ 97.603118][ T4727] kobject_add_internal+0x5a8/0xb30 [ 97.603916][ T4727] kobject_init_and_add+0x118/0x17c [ 97.604679][ T4727] gfs2_sys_fs_add+0x1dc/0x3d8 [ 97.605409][ T4727] gfs2_fill_super+0xdec/0x19ec [ 97.606118][ T4727] get_tree_bdev+0x358/0x544 [ 97.606828][ T4727] gfs2_get_tree+0x54/0x1b4 [ 97.607520][ T4727] vfs_get_tree+0x90/0x274 [ 97.608179][ T4727] do_new_mount+0x228/0x810 [ 97.608842][ T4727] path_mount+0x5b4/0xe78 [ 97.609467][ T4727] __arm64_sys_mount+0x49c/0x584 [ 97.610213][ T4727] invoke_syscall+0x98/0x2bc [ 97.610980][ T4727] el0_svc_common+0x138/0x258 [ 97.611712][ T4727] do_el0_svc+0x58/0x13c [ 97.612326][ T4727] el0_svc+0x58/0x138 [ 97.612917][ T4727] el0t_64_sync_handler+0x84/0xf0 [ 97.613651][ T4727] el0t_64_sync+0x18c/0x190 [ 97.615481][ T4727] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 97.617604][ T4727] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 97.746972][ T4729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 97.748155][ T4729] CPU: 0 PID: 4729 Comm: syz.1.111 Not tainted syzkaller #0 [ 97.749173][ T4729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 97.750659][ T4729] Call trace: [ 97.751153][ T4729] dump_backtrace+0x1c8/0x1f4 [ 97.751894][ T4729] show_stack+0x2c/0x3c [ 97.752497][ T4729] __dump_stack+0x30/0x40 [ 97.753160][ T4729] dump_stack_lvl+0xf8/0x160 [ 97.753799][ T4729] dump_stack+0x1c/0x5c [ 97.754423][ T4729] sysfs_create_dir_ns+0x22c/0x24c [ 97.755194][ T4729] kobject_add_internal+0x5a8/0xb30 [ 97.756007][ T4729] kobject_init_and_add+0x118/0x17c [ 97.756902][ T4729] gfs2_sys_fs_add+0x1dc/0x3d8 [ 97.757623][ T4729] gfs2_fill_super+0xdec/0x19ec [ 97.758359][ T4729] get_tree_bdev+0x358/0x544 [ 97.759085][ T4729] gfs2_get_tree+0x54/0x1b4 [ 97.759828][ T4729] vfs_get_tree+0x90/0x274 [ 97.760456][ T4729] do_new_mount+0x228/0x810 [ 97.761147][ T4729] path_mount+0x5b4/0xe78 [ 97.761749][ T4729] __arm64_sys_mount+0x49c/0x584 [ 97.762455][ T4729] invoke_syscall+0x98/0x2bc [ 97.763083][ T4729] el0_svc_common+0x138/0x258 [ 97.763752][ T4729] do_el0_svc+0x58/0x13c [ 97.764425][ T4729] el0_svc+0x58/0x138 [ 97.764993][ T4729] el0t_64_sync_handler+0x84/0xf0 [ 97.765688][ T4729] el0t_64_sync+0x18c/0x190 [ 97.768359][ T4729] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 97.770455][ T4729] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 97.887660][ T4731] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 97.888863][ T4731] CPU: 1 PID: 4731 Comm: syz.1.112 Not tainted syzkaller #0 [ 97.890098][ T4731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 97.891735][ T4731] Call trace: [ 97.892274][ T4731] dump_backtrace+0x1c8/0x1f4 [ 97.893013][ T4731] show_stack+0x2c/0x3c [ 97.893698][ T4731] __dump_stack+0x30/0x40 [ 97.894394][ T4731] dump_stack_lvl+0xf8/0x160 [ 97.895093][ T4731] dump_stack+0x1c/0x5c [ 97.895789][ T4731] sysfs_create_dir_ns+0x22c/0x24c [ 97.896585][ T4731] kobject_add_internal+0x5a8/0xb30 [ 97.897396][ T4731] kobject_init_and_add+0x118/0x17c [ 97.898192][ T4731] gfs2_sys_fs_add+0x1dc/0x3d8 [ 97.898961][ T4731] gfs2_fill_super+0xdec/0x19ec [ 97.899731][ T4731] get_tree_bdev+0x358/0x544 [ 97.900478][ T4731] gfs2_get_tree+0x54/0x1b4 [ 97.901205][ T4731] vfs_get_tree+0x90/0x274 [ 97.901859][ T4731] do_new_mount+0x228/0x810 [ 97.902565][ T4731] path_mount+0x5b4/0xe78 [ 97.903253][ T4731] __arm64_sys_mount+0x49c/0x584 [ 97.904015][ T4731] invoke_syscall+0x98/0x2bc [ 97.904768][ T4731] el0_svc_common+0x138/0x258 [ 97.905458][ T4731] do_el0_svc+0x58/0x13c [ 97.906148][ T4731] el0_svc+0x58/0x138 [ 97.906724][ T4731] el0t_64_sync_handler+0x84/0xf0 [ 97.907509][ T4731] el0t_64_sync+0x18c/0x190 [ 97.908329][ T4731] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 97.910423][ T4731] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 98.027353][ T4733] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 98.028635][ T4733] CPU: 1 PID: 4733 Comm: syz.1.113 Not tainted syzkaller #0 [ 98.029816][ T4733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 98.031274][ T4733] Call trace: [ 98.031793][ T4733] dump_backtrace+0x1c8/0x1f4 [ 98.032497][ T4733] show_stack+0x2c/0x3c [ 98.033123][ T4733] __dump_stack+0x30/0x40 [ 98.033739][ T4733] dump_stack_lvl+0xf8/0x160 [ 98.034412][ T4733] dump_stack+0x1c/0x5c [ 98.035060][ T4733] sysfs_create_dir_ns+0x22c/0x24c [ 98.035847][ T4733] kobject_add_internal+0x5a8/0xb30 [ 98.036684][ T4733] kobject_init_and_add+0x118/0x17c [ 98.037513][ T4733] gfs2_sys_fs_add+0x1dc/0x3d8 [ 98.038232][ T4733] gfs2_fill_super+0xdec/0x19ec [ 98.038977][ T4733] get_tree_bdev+0x358/0x544 [ 98.039688][ T4733] gfs2_get_tree+0x54/0x1b4 [ 98.040376][ T4733] vfs_get_tree+0x90/0x274 [ 98.041084][ T4733] do_new_mount+0x228/0x810 [ 98.041724][ T4733] path_mount+0x5b4/0xe78 [ 98.042328][ T4733] __arm64_sys_mount+0x49c/0x584 [ 98.043081][ T4733] invoke_syscall+0x98/0x2bc [ 98.043800][ T4733] el0_svc_common+0x138/0x258 [ 98.044488][ T4733] do_el0_svc+0x58/0x13c [ 98.045126][ T4733] el0_svc+0x58/0x138 [ 98.045682][ T4733] el0t_64_sync_handler+0x84/0xf0 [ 98.046424][ T4733] el0t_64_sync+0x18c/0x190 [ 98.047296][ T4733] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 98.049180][ T4733] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 98.181856][ T4735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 98.182931][ T4735] CPU: 0 PID: 4735 Comm: syz.1.114 Not tainted syzkaller #0 [ 98.184055][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 98.185662][ T4735] Call trace: [ 98.186147][ T4735] dump_backtrace+0x1c8/0x1f4 [ 98.186885][ T4735] show_stack+0x2c/0x3c [ 98.187483][ T4735] __dump_stack+0x30/0x40 [ 98.188166][ T4735] dump_stack_lvl+0xf8/0x160 [ 98.188842][ T4735] dump_stack+0x1c/0x5c [ 98.189460][ T4735] sysfs_create_dir_ns+0x22c/0x24c [ 98.190230][ T4735] kobject_add_internal+0x5a8/0xb30 [ 98.191001][ T4735] kobject_init_and_add+0x118/0x17c [ 98.191804][ T4735] gfs2_sys_fs_add+0x1dc/0x3d8 [ 98.192537][ T4735] gfs2_fill_super+0xdec/0x19ec [ 98.193199][ T4735] get_tree_bdev+0x358/0x544 [ 98.193885][ T4735] gfs2_get_tree+0x54/0x1b4 [ 98.194535][ T4735] vfs_get_tree+0x90/0x274 [ 98.195190][ T4735] do_new_mount+0x228/0x810 [ 98.195858][ T4735] path_mount+0x5b4/0xe78 [ 98.196504][ T4735] __arm64_sys_mount+0x49c/0x584 [ 98.197209][ T4735] invoke_syscall+0x98/0x2bc [ 98.197915][ T4735] el0_svc_common+0x138/0x258 [ 98.198551][ T4735] do_el0_svc+0x58/0x13c [ 98.199152][ T4735] el0_svc+0x58/0x138 [ 98.199701][ T4735] el0t_64_sync_handler+0x84/0xf0 [ 98.200398][ T4735] el0t_64_sync+0x18c/0x190 [ 98.203661][ T4735] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 98.206770][ T4735] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 98.326472][ T1615] ------------[ cut here ]------------ [ 98.327404][ T1615] WARNING: CPU: 1 PID: 1615 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x8a0/0xce0 [ 98.328889][ T1615] Modules linked in: [ 98.329466][ T1615] CPU: 1 PID: 1615 Comm: kworker/u4:5 Not tainted syzkaller #0 [ 98.330644][ T1615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 98.332094][ T1615] Workqueue: writeback wb_workfn (flush-7:0) [ 98.333017][ T1615] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 98.334259][ T1615] pc : __folio_mark_dirty+0x8a0/0xce0 [ 98.335033][ T1615] lr : __folio_mark_dirty+0x8a0/0xce0 [ 98.335858][ T1615] sp : ffff800024de6fe0 [ 98.336442][ T1615] x29: ffff800024de7000 x28: 1fffff800064ecf8 x27: dfff800000000000 [ 98.337637][ T1615] x26: 0000000000000000 x25: ffff0000c550be90 x24: 0000000000000001 [ 98.337996][ T4737] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 98.338871][ T1615] x23: 0000000000000000 x22: fffffc00032767c8 x21: 1fffe00018aa17d2 [ 98.339998][ T4737] CPU: 0 PID: 4737 Comm: syz.1.115 Not tainted syzkaller #0 [ 98.341123][ T1615] [ 98.342241][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 98.342532][ T1615] x20: ffff0000d8cc07e8 [ 98.343970][ T4737] Call trace: [ 98.343977][ T4737] dump_backtrace+0x1c8/0x1f4 [ 98.344558][ T1615] x19: fffffc00032767c0 [ 98.345069][ T4737] show_stack+0x2c/0x3c [ 98.345737][ T1615] x18: ffff800011a6bd40 [ 98.346406][ T4737] __dump_stack+0x30/0x40 [ 98.346985][ T1615] [ 98.347616][ T4737] dump_stack_lvl+0xf8/0x160 [ 98.348224][ T1615] x17: ffff800018186000 [ 98.348559][ T4737] dump_stack+0x1c/0x5c [ 98.349321][ T1615] x16: ffff8000082d35d8 [ 98.349920][ T4737] sysfs_create_dir_ns+0x22c/0x24c [ 98.350552][ T1615] x15: ffff800017c67000 [ 98.351139][ T4737] kobject_add_internal+0x5a8/0xb30 [ 98.351932][ T1615] [ 98.352537][ T4737] kobject_init_and_add+0x118/0x17c [ 98.353364][ T1615] x14: ffff0000cfab2658 [ 98.353695][ T4737] gfs2_sys_fs_add+0x1dc/0x3d8 [ 98.354460][ T1615] x13: ffff0000cfab2720 [ 98.355048][ T4737] gfs2_fill_super+0xdec/0x19ec [ 98.355728][ T1615] x12: 0000000000ff0100 [ 98.356320][ T4737] get_tree_bdev+0x358/0x544 [ 98.357059][ T1615] [ 98.357657][ T4737] gfs2_get_tree+0x54/0x1b4 [ 98.358291][ T1615] x11: ff008000086fe704 [ 98.358615][ T4737] vfs_get_tree+0x90/0x274 [ 98.359234][ T1615] x10: 0000000000000000 [ 98.359838][ T4737] do_new_mount+0x228/0x810 [ 98.360449][ T1615] x9 : ffff8000086fe704 [ 98.361057][ T4737] path_mount+0x5b4/0xe78 [ 98.361667][ T1615] [ 98.362229][ T4737] __arm64_sys_mount+0x49c/0x584 [ 98.362805][ T1615] x8 : ffff0000cfab1bc0 [ 98.363154][ T4737] invoke_syscall+0x98/0x2bc [ 98.363818][ T1615] x7 : 0000000000000000 [ 98.364360][ T4737] el0_svc_common+0x138/0x258 [ 98.365040][ T1615] x6 : 0000000000000000 [ 98.365594][ T4737] do_el0_svc+0x58/0x13c [ 98.366305][ T1615] [ 98.366961][ T4737] el0_svc+0x58/0x138 [ 98.367560][ T1615] x5 : ffff80001835a1f0 [ 98.367859][ T4737] el0t_64_sync_handler+0x84/0xf0 [ 98.368394][ T1615] x4 : 0000000000000008 [ 98.369138][ T4737] el0t_64_sync+0x18c/0x190 [ 98.369810][ T1615] x3 : ffff800008a49628 [ 98.371991][ T1615] x2 : ffff0000ce5ca060 x1 : 0000000000000000 x0 : 0000000000000000 [ 98.373252][ T1615] Call trace: [ 98.373744][ T1615] __folio_mark_dirty+0x8a0/0xce0 [ 98.374508][ T1615] mark_buffer_dirty+0x2b8/0x5cc [ 98.375241][ T1615] gfs2_unpin+0x120/0x914 [ 98.375858][ T1615] buf_lo_after_commit+0x140/0x188 [ 98.376612][ T1615] gfs2_log_flush+0xbc8/0x1aa0 [ 98.377287][ T1615] gfs2_write_inode+0x184/0x34c [ 98.378072][ T1615] __writeback_single_inode+0x5e0/0x157c [ 98.378937][ T1615] writeback_sb_inodes+0x824/0x1404 [ 98.379708][ T1615] __writeback_inodes_wb+0x110/0x394 [ 98.380513][ T1615] wb_writeback+0x414/0xfb0 [ 98.381183][ T1615] wb_workfn+0xa5c/0xd98 [ 98.382034][ T1615] process_one_work+0x7f4/0x13a8 [ 98.382741][ T1615] worker_thread+0x8c8/0xfbc [ 98.383383][ T1615] kthread+0x250/0x2d8 [ 98.383975][ T1615] ret_from_fork+0x10/0x20 [ 98.384711][ T1615] irq event stamp: 1227338 [ 98.385396][ T1615] hardirqs last enabled at (1227337): [] folio_memcg_lock+0xe8/0x1fc [ 98.386793][ T1615] hardirqs last disabled at (1227338): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 98.388129][ T1615] softirqs last enabled at (1227274): [] ieee80211_ibss_work+0x2a4/0xd60 [ 98.389517][ T1615] softirqs last disabled at (1227272): [] ieee80211_ibss_work+0xd0/0xd60 [ 98.390912][ T1615] ---[ end trace 0000000000000000 ]--- [ 98.397679][ T4737] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 98.399707][ T4737] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 98.448928][ T1615] ------------[ cut here ]------------ [ 98.450138][ T1615] WARNING: CPU: 1 PID: 1615 at include/linux/backing-dev.h:247 __folio_start_writeback+0x868/0xa68 [ 98.451676][ T1615] Modules linked in: [ 98.452245][ T1615] CPU: 1 PID: 1615 Comm: kworker/u4:5 Tainted: G W syzkaller #0 [ 98.453573][ T1615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 98.454969][ T1615] Workqueue: writeback wb_workfn (flush-7:0) [ 98.455910][ T1615] pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 98.457103][ T1615] pc : __folio_start_writeback+0x868/0xa68 [ 98.457993][ T1615] lr : __folio_start_writeback+0x868/0xa68 [ 98.458874][ T1615] sp : ffff800024de6bc0 [ 98.459507][ T1615] x29: ffff800024de6ca0 x28: dfff800000000000 x27: 0000000000000000 [ 98.459758][ C0] ------------[ cut here ]------------ [ 98.460705][ T1615] x26: ffff7000049bcd80 x25: 0000000000000000 [ 98.461716][ C0] WARNING: CPU: 0 PID: 15 at include/linux/backing-dev.h:247 __folio_end_writeback+0x7d4/0x9e0 [ 98.461730][ T1615] x24: ffff0000d8cc07e8 [ 98.464086][ C0] Modules linked in: [ 98.464696][ T1615] x23: ffff800024de6c20 [ 98.465272][ C0] [ 98.465278][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 [ 98.465854][ T1615] x22: ffff0000c550bce8 [ 98.466216][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 98.467427][ T1615] x21: 0000000000000001 [ 98.468076][ C0] pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 98.469462][ T1615] [ 98.470073][ C0] pc : __folio_end_writeback+0x7d4/0x9e0 [ 98.471151][ T1615] x20: fffffc00032767c8 [ 98.471445][ C0] lr : __folio_end_writeback+0x7d4/0x9e0 [ 98.472246][ T1615] x19: fffffc00032767c0 [ 98.472814][ C0] sp : ffff80001c857960 [ 98.473523][ T1615] x18: ffff800011a6bd40 [ 98.474112][ C0] x29: ffff80001c857980 [ 98.474686][ T1615] [ 98.475312][ C0] x28: dfff800000000000 [ 98.475867][ T1615] x17: ffff800018186000 [ 98.476179][ C0] x27: ffff0000c550bce8 [ 98.476738][ T1615] x16: ffff8000082d35d8 [ 98.477321][ C0] [ 98.477984][ T1615] x15: ffff800017c67000 [ 98.478544][ C0] x26: 0000000000000000 x25: 05ffd200000020d2 [ 98.478907][ T1615] [ 98.479484][ C0] x24: 1fffff800061b8a0 [ 98.480406][ T1615] x14: ffff0000cfab2658 [ 98.480724][ C0] [ 98.481350][ T1615] x13: ffff0000cfab26f8 [ 98.481983][ C0] x23: 0000000000000001 [ 98.482326][ T1615] x12: 0000000000ff0100 [ 98.482969][ C0] x22: ffff0000d8cc17c0 [ 98.483621][ T1615] [ 98.484256][ C0] x21: ffff0000d8cc17c8 [ 98.484880][ T1615] x11: ff00800008700c1c [ 98.485199][ C0] [ 98.485808][ T1615] x10: 0000000000000000 [ 98.486383][ C0] x20: 0000000000000001 [ 98.486725][ T1615] x9 : ffff800008700c1c [ 98.487278][ C0] x19: fffffc00030dc500 [ 98.487892][ T1615] [ 98.487899][ T1615] x8 : ffff0000cfab1bc0 [ 98.488486][ C0] x18: ffff800011a6bd40 [ 98.489061][ T1615] x7 : 0000000000000000 [ 98.489353][ C0] [ 98.489359][ C0] x17: 1fffe00033ee777e [ 98.489951][ T1615] x6 : 0000000000000000 [ 98.490593][ C0] x16: ffff8000082d35d8 [ 98.491158][ T1615] [ 98.491468][ C0] x15: 0000000000000000 [ 98.492072][ T1615] x5 : 0000000000000020 [ 98.492672][ C0] [ 98.492677][ C0] x14: 0000000000000002 [ 98.493290][ T1615] x4 : 0000000000000000 [ 98.493624][ C0] x13: 1ffff00002a0a0b1 [ 98.494234][ T1615] x3 : ffff8000087006dc [ 98.494825][ C0] x12: 0000000000ff0100 [ 98.495159][ T1615] [ 98.495711][ C0] [ 98.495716][ C0] x11: ff008000087001a8 [ 98.496351][ T1615] x2 : 0000000000000001 [ 98.496952][ C0] x10: 0000000000000000 [ 98.497557][ T1615] x1 : 0000000000000000 [ 98.498122][ C0] x9 : ffff8000087001a8 [ 98.498445][ T1615] x0 : 0000000000000000 [ 98.498746][ C0] [ 98.498751][ C0] x8 : ffff0000c09b3780 [ 98.499321][ T1615] [ 98.499895][ C0] x7 : 0000000000000000 [ 98.500483][ T1615] Call trace: [ 98.501108][ C0] x6 : 0000000000000000 [ 98.501756][ T1615] __folio_start_writeback+0x868/0xa68 [ 98.502396][ C0] [ 98.502750][ T1615] set_page_writeback+0x5c/0x7c [ 98.503393][ C0] x5 : 0000000000000080 [ 98.503728][ T1615] gfs2_aspace_writepage+0x520/0x6e8 [ 98.504288][ C0] x4 : 0000000000000000 [ 98.504765][ T1615] __writepage+0x70/0x18c [ 98.505370][ C0] x3 : 0000000000000010 [ 98.506177][ T1615] write_cache_pages+0x73c/0xdd4 [ 98.506483][ C0] [ 98.507228][ T1615] do_writepages+0x320/0x4fc [ 98.507810][ C0] x2 : 0000000000000008 [ 98.508603][ T1615] filemap_fdatawrite_wbc+0x124/0x174 [ 98.509151][ C0] x1 : 0000000000000000 [ 98.509726][ T1615] filemap_fdatawrite+0xc4/0x114 [ 98.510315][ C0] x0 : 0000000000000000 [ 98.510994][ T1615] gfs2_write_inode+0x234/0x34c [ 98.511270][ C0] [ 98.511951][ T1615] __writeback_single_inode+0x5e0/0x157c [ 98.512525][ C0] Call trace: [ 98.513295][ T1615] writeback_sb_inodes+0x824/0x1404 [ 98.513904][ C0] __folio_end_writeback+0x7d4/0x9e0 [ 98.514634][ T1615] __writeback_inodes_wb+0x110/0x394 [ 98.515181][ C0] folio_end_writeback+0x12c/0x41c [ 98.515871][ T1615] wb_writeback+0x414/0xfb0 [ 98.516183][ C0] end_page_writeback+0x58/0x74 [ 98.517011][ T1615] wb_workfn+0xa5c/0xd98 [ 98.517523][ C0] end_buffer_async_write+0x32c/0x508 [ 98.518295][ T1615] process_one_work+0x7f4/0x13a8 [ 98.519148][ C0] end_bio_bh_io_sync+0xb0/0x1e0 [ 98.519941][ T1615] worker_thread+0x8c8/0xfbc [ 98.520785][ C0] bio_endio+0x770/0x7b4 [ 98.521449][ T1615] kthread+0x250/0x2d8 [ 98.522170][ C0] blk_update_request+0x49c/0xbec [ 98.522747][ T1615] ret_from_fork+0x10/0x20 [ 98.523560][ C0] blk_mq_end_request+0x54/0x88 [ 98.524236][ T1615] irq event stamp: 1227430 [ 98.524947][ C0] lo_complete_rq+0x1ec/0x250 [ 98.525573][ T1615] hardirqs last enabled at (1227429): [] folio_memcg_lock+0xe8/0x1fc [ 98.526169][ C0] blk_done_softirq+0x11c/0x168 [ 98.526717][ T1615] hardirqs last disabled at (1227430): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 98.527423][ C0] handle_softirqs+0x318/0xc6c [ 98.528048][ T1615] softirqs last enabled at (1227388): [] handle_softirqs+0xaf8/0xc6c [ 98.528732][ C0] run_ksoftirqd+0x7c/0x2b0 [ 98.529346][ T1615] softirqs last disabled at (1227341): [] __do_softirq+0x14/0x20 [ 98.530020][ C0] smpboot_thread_fn+0x4b0/0x964 [ 98.531434][ T1615] ---[ end trace 0000000000000000 ]--- [ 98.532124][ C0] kthread+0x250/0x2d8 [ 98.539848][ C0] ret_from_fork+0x10/0x20 [ 98.540473][ C0] irq event stamp: 648939 [ 98.541137][ C0] hardirqs last enabled at (648938): [] folio_memcg_lock+0xe8/0x1fc [ 98.542641][ C0] hardirqs last disabled at (648939): [] _raw_spin_lock_irqsave+0xa4/0xb4 [ 98.544066][ C0] softirqs last enabled at (648928): [] handle_softirqs+0xaf8/0xc6c [ 98.545490][ C0] softirqs last disabled at (648933): [] run_ksoftirqd+0x7c/0x2b0 [ 98.546816][ C0] ---[ end trace 0000000000000000 ]--- [ 98.635200][ T4739] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 98.636371][ T4739] CPU: 0 PID: 4739 Comm: syz.1.116 Tainted: G W syzkaller #0 [ 98.637638][ T4739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 98.639152][ T4739] Call trace: [ 98.639627][ T4739] dump_backtrace+0x1c8/0x1f4 [ 98.640324][ T4739] show_stack+0x2c/0x3c [ 98.640933][ T4739] __dump_stack+0x30/0x40 [ 98.641563][ T4739] dump_stack_lvl+0xf8/0x160 [ 98.642217][ T4739] dump_stack+0x1c/0x5c [ 98.642905][ T4739] sysfs_create_dir_ns+0x22c/0x24c [ 98.643706][ T4739] kobject_add_internal+0x5a8/0xb30 [ 98.644456][ T4739] kobject_init_and_add+0x118/0x17c [ 98.645246][ T4739] gfs2_sys_fs_add+0x1dc/0x3d8 [ 98.645961][ T4739] gfs2_fill_super+0xdec/0x19ec [ 98.646726][ T4739] get_tree_bdev+0x358/0x544 [ 98.647372][ T4739] gfs2_get_tree+0x54/0x1b4 [ 98.648026][ T4739] vfs_get_tree+0x90/0x274 [ 98.648743][ T4739] do_new_mount+0x228/0x810 [ 98.649451][ T4739] path_mount+0x5b4/0xe78 [ 98.650069][ T4739] __arm64_sys_mount+0x49c/0x584 [ 98.650827][ T4739] invoke_syscall+0x98/0x2bc [ 98.651503][ T4739] el0_svc_common+0x138/0x258 [ 98.652170][ T4739] do_el0_svc+0x58/0x13c [ 98.652769][ T4739] el0_svc+0x58/0x138 [ 98.653348][ T4739] el0t_64_sync_handler+0x84/0xf0 [ 98.654063][ T4739] el0t_64_sync+0x18c/0x190 [ 98.664619][ T4739] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 98.666758][ T4739] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 98.805761][ T4742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 98.806923][ T4742] CPU: 1 PID: 4742 Comm: syz.1.117 Tainted: G W syzkaller #0 [ 98.808231][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 98.809752][ T4742] Call trace: [ 98.810297][ T4742] dump_backtrace+0x1c8/0x1f4 [ 98.811016][ T4742] show_stack+0x2c/0x3c [ 98.811626][ T4742] __dump_stack+0x30/0x40 [ 98.812263][ T4742] dump_stack_lvl+0xf8/0x160 [ 98.812894][ T4742] dump_stack+0x1c/0x5c [ 98.813468][ T4742] sysfs_create_dir_ns+0x22c/0x24c [ 98.814237][ T4742] kobject_add_internal+0x5a8/0xb30 [ 98.815011][ T4742] kobject_init_and_add+0x118/0x17c [ 98.815797][ T4742] gfs2_sys_fs_add+0x1dc/0x3d8 [ 98.816505][ T4742] gfs2_fill_super+0xdec/0x19ec [ 98.817199][ T4742] get_tree_bdev+0x358/0x544 [ 98.817916][ T4742] gfs2_get_tree+0x54/0x1b4 [ 98.818628][ T4742] vfs_get_tree+0x90/0x274 [ 98.819286][ T4742] do_new_mount+0x228/0x810 [ 98.819909][ T4742] path_mount+0x5b4/0xe78 [ 98.820537][ T4742] __arm64_sys_mount+0x49c/0x584 [ 98.821198][ T4742] invoke_syscall+0x98/0x2bc [ 98.821899][ T4742] el0_svc_common+0x138/0x258 [ 98.822662][ T4742] do_el0_svc+0x58/0x13c [ 98.823250][ T4742] el0_svc+0x58/0x138 [ 98.823843][ T4742] el0t_64_sync_handler+0x84/0xf0 [ 98.824555][ T4742] el0t_64_sync+0x18c/0x190 [ 98.827964][ T4742] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 98.830009][ T4742] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 98.959192][ T4744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 98.960441][ T4744] CPU: 0 PID: 4744 Comm: syz.1.118 Tainted: G W syzkaller #0 [ 98.961769][ T4744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 98.963231][ T4744] Call trace: [ 98.963723][ T4744] dump_backtrace+0x1c8/0x1f4 [ 98.964459][ T4744] show_stack+0x2c/0x3c [ 98.965137][ T4744] __dump_stack+0x30/0x40 [ 98.965836][ T4744] dump_stack_lvl+0xf8/0x160 [ 98.966504][ T4744] dump_stack+0x1c/0x5c [ 98.967161][ T4744] sysfs_create_dir_ns+0x22c/0x24c [ 98.967895][ T4744] kobject_add_internal+0x5a8/0xb30 [ 98.968733][ T4744] kobject_init_and_add+0x118/0x17c [ 98.969492][ T4744] gfs2_sys_fs_add+0x1dc/0x3d8 [ 98.970264][ T4744] gfs2_fill_super+0xdec/0x19ec [ 98.970982][ T4744] get_tree_bdev+0x358/0x544 [ 98.971696][ T4744] gfs2_get_tree+0x54/0x1b4 [ 98.972370][ T4744] vfs_get_tree+0x90/0x274 [ 98.973064][ T4744] do_new_mount+0x228/0x810 [ 98.973711][ T4744] path_mount+0x5b4/0xe78 [ 98.974350][ T4744] __arm64_sys_mount+0x49c/0x584 [ 98.975061][ T4744] invoke_syscall+0x98/0x2bc [ 98.975763][ T4744] el0_svc_common+0x138/0x258 [ 98.976437][ T4744] do_el0_svc+0x58/0x13c [ 98.977110][ T4744] el0_svc+0x58/0x138 [ 98.977673][ T4744] el0t_64_sync_handler+0x84/0xf0 [ 98.978443][ T4744] el0t_64_sync+0x18c/0x190 [ 98.979240][ T4744] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 98.981111][ T4744] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:39 executed programs: 104 [ 99.100448][ T4746] set_capacity_and_notify: 23 callbacks suppressed [ 99.100458][ T4746] loop1: detected capacity change from 0 to 32768 [ 99.107646][ T4746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 99.108824][ T4746] CPU: 0 PID: 4746 Comm: syz.1.119 Tainted: G W syzkaller #0 [ 99.110135][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 99.111632][ T4746] Call trace: [ 99.112152][ T4746] dump_backtrace+0x1c8/0x1f4 [ 99.112878][ T4746] show_stack+0x2c/0x3c [ 99.113504][ T4746] __dump_stack+0x30/0x40 [ 99.114132][ T4746] dump_stack_lvl+0xf8/0x160 [ 99.114790][ T4746] dump_stack+0x1c/0x5c [ 99.115372][ T4746] sysfs_create_dir_ns+0x22c/0x24c [ 99.116097][ T4746] kobject_add_internal+0x5a8/0xb30 [ 99.116860][ T4746] kobject_init_and_add+0x118/0x17c [ 99.117621][ T4746] gfs2_sys_fs_add+0x1dc/0x3d8 [ 99.118341][ T4746] gfs2_fill_super+0xdec/0x19ec [ 99.119080][ T4746] get_tree_bdev+0x358/0x544 [ 99.119791][ T4746] gfs2_get_tree+0x54/0x1b4 [ 99.120485][ T4746] vfs_get_tree+0x90/0x274 [ 99.121142][ T4746] do_new_mount+0x228/0x810 [ 99.121839][ T4746] path_mount+0x5b4/0xe78 [ 99.122517][ T4746] __arm64_sys_mount+0x49c/0x584 [ 99.123231][ T4746] invoke_syscall+0x98/0x2bc [ 99.123923][ T4746] el0_svc_common+0x138/0x258 [ 99.124618][ T4746] do_el0_svc+0x58/0x13c [ 99.125209][ T4746] el0_svc+0x58/0x138 [ 99.125816][ T4746] el0t_64_sync_handler+0x84/0xf0 [ 99.126616][ T4746] el0t_64_sync+0x18c/0x190 [ 99.127708][ T4746] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 99.129858][ T4746] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 99.250980][ T4748] loop1: detected capacity change from 0 to 32768 [ 99.256707][ T4748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 99.257903][ T4748] CPU: 0 PID: 4748 Comm: syz.1.120 Tainted: G W syzkaller #0 [ 99.259248][ T4748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 99.260888][ T4748] Call trace: [ 99.261367][ T4748] dump_backtrace+0x1c8/0x1f4 [ 99.262160][ T4748] show_stack+0x2c/0x3c [ 99.262804][ T4748] __dump_stack+0x30/0x40 [ 99.263584][ T4748] dump_stack_lvl+0xf8/0x160 [ 99.264294][ T4748] dump_stack+0x1c/0x5c [ 99.264909][ T4748] sysfs_create_dir_ns+0x22c/0x24c [ 99.265718][ T4748] kobject_add_internal+0x5a8/0xb30 [ 99.266550][ T4748] kobject_init_and_add+0x118/0x17c [ 99.267365][ T4748] gfs2_sys_fs_add+0x1dc/0x3d8 [ 99.268066][ T4748] gfs2_fill_super+0xdec/0x19ec [ 99.268787][ T4748] get_tree_bdev+0x358/0x544 [ 99.269436][ T4748] gfs2_get_tree+0x54/0x1b4 [ 99.270086][ T4748] vfs_get_tree+0x90/0x274 [ 99.270757][ T4748] do_new_mount+0x228/0x810 [ 99.271393][ T4748] path_mount+0x5b4/0xe78 [ 99.271999][ T4748] __arm64_sys_mount+0x49c/0x584 [ 99.272706][ T4748] invoke_syscall+0x98/0x2bc [ 99.273436][ T4748] el0_svc_common+0x138/0x258 [ 99.274098][ T4748] do_el0_svc+0x58/0x13c [ 99.274714][ T4748] el0_svc+0x58/0x138 [ 99.275318][ T4748] el0t_64_sync_handler+0x84/0xf0 [ 99.276090][ T4748] el0t_64_sync+0x18c/0x190 [ 99.276925][ T4748] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 99.278896][ T4748] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 99.395531][ T4750] loop1: detected capacity change from 0 to 32768 [ 99.397268][ T4750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 99.398461][ T4750] CPU: 1 PID: 4750 Comm: syz.1.121 Tainted: G W syzkaller #0 [ 99.399902][ T4750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 99.401460][ T4750] Call trace: [ 99.401956][ T4750] dump_backtrace+0x1c8/0x1f4 [ 99.402675][ T4750] show_stack+0x2c/0x3c [ 99.403318][ T4750] __dump_stack+0x30/0x40 [ 99.403955][ T4750] dump_stack_lvl+0xf8/0x160 [ 99.404688][ T4750] dump_stack+0x1c/0x5c [ 99.405306][ T4750] sysfs_create_dir_ns+0x22c/0x24c [ 99.406012][ T4750] kobject_add_internal+0x5a8/0xb30 [ 99.406755][ T4750] kobject_init_and_add+0x118/0x17c [ 99.407528][ T4750] gfs2_sys_fs_add+0x1dc/0x3d8 [ 99.408272][ T4750] gfs2_fill_super+0xdec/0x19ec [ 99.408965][ T4750] get_tree_bdev+0x358/0x544 [ 99.409647][ T4750] gfs2_get_tree+0x54/0x1b4 [ 99.410300][ T4750] vfs_get_tree+0x90/0x274 [ 99.410960][ T4750] do_new_mount+0x228/0x810 [ 99.411665][ T4750] path_mount+0x5b4/0xe78 [ 99.412336][ T4750] __arm64_sys_mount+0x49c/0x584 [ 99.413063][ T4750] invoke_syscall+0x98/0x2bc [ 99.413690][ T4750] el0_svc_common+0x138/0x258 [ 99.414393][ T4750] do_el0_svc+0x58/0x13c [ 99.415068][ T4750] el0_svc+0x58/0x138 [ 99.415662][ T4750] el0t_64_sync_handler+0x84/0xf0 [ 99.416382][ T4750] el0t_64_sync+0x18c/0x190 [ 99.418323][ T4750] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 99.420438][ T4750] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 99.540279][ T4752] loop1: detected capacity change from 0 to 32768 [ 99.552407][ T4752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 99.553683][ T4752] CPU: 0 PID: 4752 Comm: syz.1.122 Tainted: G W syzkaller #0 [ 99.554941][ T4752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 99.556500][ T4752] Call trace: [ 99.556978][ T4752] dump_backtrace+0x1c8/0x1f4 [ 99.557663][ T4752] show_stack+0x2c/0x3c [ 99.558290][ T4752] __dump_stack+0x30/0x40 [ 99.558960][ T4752] dump_stack_lvl+0xf8/0x160 [ 99.559637][ T4752] dump_stack+0x1c/0x5c [ 99.560298][ T4752] sysfs_create_dir_ns+0x22c/0x24c [ 99.561082][ T4752] kobject_add_internal+0x5a8/0xb30 [ 99.561918][ T4752] kobject_init_and_add+0x118/0x17c [ 99.562727][ T4752] gfs2_sys_fs_add+0x1dc/0x3d8 [ 99.563392][ T4752] gfs2_fill_super+0xdec/0x19ec [ 99.564096][ T4752] get_tree_bdev+0x358/0x544 [ 99.564809][ T4752] gfs2_get_tree+0x54/0x1b4 [ 99.565433][ T4752] vfs_get_tree+0x90/0x274 [ 99.566071][ T4752] do_new_mount+0x228/0x810 [ 99.566780][ T4752] path_mount+0x5b4/0xe78 [ 99.567376][ T4752] __arm64_sys_mount+0x49c/0x584 [ 99.568056][ T4752] invoke_syscall+0x98/0x2bc [ 99.568677][ T4752] el0_svc_common+0x138/0x258 [ 99.569281][ T4752] do_el0_svc+0x58/0x13c [ 99.569892][ T4752] el0_svc+0x58/0x138 [ 99.570521][ T4752] el0t_64_sync_handler+0x84/0xf0 [ 99.571309][ T4752] el0t_64_sync+0x18c/0x190 [ 99.574787][ T4752] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 99.576760][ T4752] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 99.700988][ T4754] loop1: detected capacity change from 0 to 32768 [ 99.702702][ T4754] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 99.703899][ T4754] CPU: 0 PID: 4754 Comm: syz.1.123 Tainted: G W syzkaller #0 [ 99.705242][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 99.706820][ T4754] Call trace: [ 99.707283][ T4754] dump_backtrace+0x1c8/0x1f4 [ 99.707993][ T4754] show_stack+0x2c/0x3c [ 99.708672][ T4754] __dump_stack+0x30/0x40 [ 99.709380][ T4754] dump_stack_lvl+0xf8/0x160 [ 99.710102][ T4754] dump_stack+0x1c/0x5c [ 99.710720][ T4754] sysfs_create_dir_ns+0x22c/0x24c [ 99.711465][ T4754] kobject_add_internal+0x5a8/0xb30 [ 99.712189][ T4754] kobject_init_and_add+0x118/0x17c [ 99.712953][ T4754] gfs2_sys_fs_add+0x1dc/0x3d8 [ 99.713686][ T4754] gfs2_fill_super+0xdec/0x19ec [ 99.714368][ T4754] get_tree_bdev+0x358/0x544 [ 99.715086][ T4754] gfs2_get_tree+0x54/0x1b4 [ 99.715770][ T4754] vfs_get_tree+0x90/0x274 [ 99.716439][ T4754] do_new_mount+0x228/0x810 [ 99.717176][ T4754] path_mount+0x5b4/0xe78 [ 99.717834][ T4754] __arm64_sys_mount+0x49c/0x584 [ 99.718542][ T4754] invoke_syscall+0x98/0x2bc [ 99.719222][ T4754] el0_svc_common+0x138/0x258 [ 99.719868][ T4754] do_el0_svc+0x58/0x13c [ 99.720472][ T4754] el0_svc+0x58/0x138 [ 99.721084][ T4754] el0t_64_sync_handler+0x84/0xf0 [ 99.721856][ T4754] el0t_64_sync+0x18c/0x190 [ 99.722724][ T4754] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 99.724736][ T4754] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 99.838783][ T4756] loop1: detected capacity change from 0 to 32768 [ 99.840418][ T4756] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 99.841534][ T4756] CPU: 0 PID: 4756 Comm: syz.1.124 Tainted: G W syzkaller #0 [ 99.842892][ T4756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 99.844329][ T4756] Call trace: [ 99.844867][ T4756] dump_backtrace+0x1c8/0x1f4 [ 99.845627][ T4756] show_stack+0x2c/0x3c [ 99.846219][ T4756] __dump_stack+0x30/0x40 [ 99.846870][ T4756] dump_stack_lvl+0xf8/0x160 [ 99.847563][ T4756] dump_stack+0x1c/0x5c [ 99.848145][ T4756] sysfs_create_dir_ns+0x22c/0x24c [ 99.848844][ T4756] kobject_add_internal+0x5a8/0xb30 [ 99.849575][ T4756] kobject_init_and_add+0x118/0x17c [ 99.850350][ T4756] gfs2_sys_fs_add+0x1dc/0x3d8 [ 99.851076][ T4756] gfs2_fill_super+0xdec/0x19ec [ 99.851765][ T4756] get_tree_bdev+0x358/0x544 [ 99.852412][ T4756] gfs2_get_tree+0x54/0x1b4 [ 99.853044][ T4756] vfs_get_tree+0x90/0x274 [ 99.853639][ T4756] do_new_mount+0x228/0x810 [ 99.854335][ T4756] path_mount+0x5b4/0xe78 [ 99.854968][ T4756] __arm64_sys_mount+0x49c/0x584 [ 99.855687][ T4756] invoke_syscall+0x98/0x2bc [ 99.856351][ T4756] el0_svc_common+0x138/0x258 [ 99.856998][ T4756] do_el0_svc+0x58/0x13c [ 99.857574][ T4756] el0_svc+0x58/0x138 [ 99.858186][ T4756] el0t_64_sync_handler+0x84/0xf0 [ 99.858902][ T4756] el0t_64_sync+0x18c/0x190 [ 99.859883][ T4756] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 99.861857][ T4756] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 99.979546][ T4758] loop1: detected capacity change from 0 to 32768 [ 99.986043][ T4758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 99.987150][ T4758] CPU: 1 PID: 4758 Comm: syz.1.125 Tainted: G W syzkaller #0 [ 99.988466][ T4758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 99.989890][ T4758] Call trace: [ 99.990358][ T4758] dump_backtrace+0x1c8/0x1f4 [ 99.991039][ T4758] show_stack+0x2c/0x3c [ 99.991680][ T4758] __dump_stack+0x30/0x40 [ 99.992271][ T4758] dump_stack_lvl+0xf8/0x160 [ 99.992994][ T4758] dump_stack+0x1c/0x5c [ 99.993589][ T4758] sysfs_create_dir_ns+0x22c/0x24c [ 99.994369][ T4758] kobject_add_internal+0x5a8/0xb30 [ 99.995243][ T4758] kobject_init_and_add+0x118/0x17c [ 99.996024][ T4758] gfs2_sys_fs_add+0x1dc/0x3d8 [ 99.996761][ T4758] gfs2_fill_super+0xdec/0x19ec [ 99.997486][ T4758] get_tree_bdev+0x358/0x544 [ 99.998185][ T4758] gfs2_get_tree+0x54/0x1b4 [ 99.998910][ T4758] vfs_get_tree+0x90/0x274 [ 99.999598][ T4758] do_new_mount+0x228/0x810 [ 100.000258][ T4758] path_mount+0x5b4/0xe78 [ 100.000905][ T4758] __arm64_sys_mount+0x49c/0x584 [ 100.001564][ T4758] invoke_syscall+0x98/0x2bc [ 100.002258][ T4758] el0_svc_common+0x138/0x258 [ 100.002916][ T4758] do_el0_svc+0x58/0x13c [ 100.003572][ T4758] el0_svc+0x58/0x138 [ 100.004158][ T4758] el0t_64_sync_handler+0x84/0xf0 [ 100.004929][ T4758] el0t_64_sync+0x18c/0x190 [ 100.006933][ T4758] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 100.008847][ T4758] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 100.124560][ T4760] loop1: detected capacity change from 0 to 32768 [ 100.126264][ T4760] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 100.127391][ T4760] CPU: 0 PID: 4760 Comm: syz.1.126 Tainted: G W syzkaller #0 [ 100.128700][ T4760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 100.130147][ T4760] Call trace: [ 100.130630][ T4760] dump_backtrace+0x1c8/0x1f4 [ 100.131311][ T4760] show_stack+0x2c/0x3c [ 100.131917][ T4760] __dump_stack+0x30/0x40 [ 100.132516][ T4760] dump_stack_lvl+0xf8/0x160 [ 100.133132][ T4760] dump_stack+0x1c/0x5c [ 100.133719][ T4760] sysfs_create_dir_ns+0x22c/0x24c [ 100.134544][ T4760] kobject_add_internal+0x5a8/0xb30 [ 100.135376][ T4760] kobject_init_and_add+0x118/0x17c [ 100.136106][ T4760] gfs2_sys_fs_add+0x1dc/0x3d8 [ 100.136808][ T4760] gfs2_fill_super+0xdec/0x19ec [ 100.137518][ T4760] get_tree_bdev+0x358/0x544 [ 100.138204][ T4760] gfs2_get_tree+0x54/0x1b4 [ 100.138916][ T4760] vfs_get_tree+0x90/0x274 [ 100.139674][ T4760] do_new_mount+0x228/0x810 [ 100.140311][ T4760] path_mount+0x5b4/0xe78 [ 100.140976][ T4760] __arm64_sys_mount+0x49c/0x584 [ 100.141684][ T4760] invoke_syscall+0x98/0x2bc [ 100.142435][ T4760] el0_svc_common+0x138/0x258 [ 100.143144][ T4760] do_el0_svc+0x58/0x13c [ 100.143820][ T4760] el0_svc+0x58/0x138 [ 100.144428][ T4760] el0t_64_sync_handler+0x84/0xf0 [ 100.145244][ T4760] el0t_64_sync+0x18c/0x190 [ 100.146090][ T4760] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 100.147993][ T4760] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 100.265129][ T4762] loop1: detected capacity change from 0 to 32768 [ 100.271111][ T4762] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 100.272256][ T4762] CPU: 1 PID: 4762 Comm: syz.1.127 Tainted: G W syzkaller #0 [ 100.273624][ T4762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 100.275111][ T4762] Call trace: [ 100.275654][ T4762] dump_backtrace+0x1c8/0x1f4 [ 100.276321][ T4762] show_stack+0x2c/0x3c [ 100.276974][ T4762] __dump_stack+0x30/0x40 [ 100.277625][ T4762] dump_stack_lvl+0xf8/0x160 [ 100.278326][ T4762] dump_stack+0x1c/0x5c [ 100.278926][ T4762] sysfs_create_dir_ns+0x22c/0x24c [ 100.279710][ T4762] kobject_add_internal+0x5a8/0xb30 [ 100.280520][ T4762] kobject_init_and_add+0x118/0x17c [ 100.281344][ T4762] gfs2_sys_fs_add+0x1dc/0x3d8 [ 100.282050][ T4762] gfs2_fill_super+0xdec/0x19ec [ 100.282789][ T4762] get_tree_bdev+0x358/0x544 [ 100.283431][ T4762] gfs2_get_tree+0x54/0x1b4 [ 100.284074][ T4762] vfs_get_tree+0x90/0x274 [ 100.284727][ T4762] do_new_mount+0x228/0x810 [ 100.285390][ T4762] path_mount+0x5b4/0xe78 [ 100.286036][ T4762] __arm64_sys_mount+0x49c/0x584 [ 100.286759][ T4762] invoke_syscall+0x98/0x2bc [ 100.287452][ T4762] el0_svc_common+0x138/0x258 [ 100.288119][ T4762] do_el0_svc+0x58/0x13c [ 100.288709][ T4762] el0_svc+0x58/0x138 [ 100.289306][ T4762] el0t_64_sync_handler+0x84/0xf0 [ 100.290076][ T4762] el0t_64_sync+0x18c/0x190 [ 100.291936][ T4762] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 100.293991][ T4762] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 100.419233][ T4764] loop1: detected capacity change from 0 to 32768 [ 100.420957][ T4764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 100.422029][ T4764] CPU: 0 PID: 4764 Comm: syz.1.128 Tainted: G W syzkaller #0 [ 100.423283][ T4764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 100.424833][ T4764] Call trace: [ 100.425328][ T4764] dump_backtrace+0x1c8/0x1f4 [ 100.426045][ T4764] show_stack+0x2c/0x3c [ 100.426665][ T4764] __dump_stack+0x30/0x40 [ 100.427338][ T4764] dump_stack_lvl+0xf8/0x160 [ 100.428064][ T4764] dump_stack+0x1c/0x5c [ 100.428710][ T4764] sysfs_create_dir_ns+0x22c/0x24c [ 100.429466][ T4764] kobject_add_internal+0x5a8/0xb30 [ 100.430216][ T4764] kobject_init_and_add+0x118/0x17c [ 100.430968][ T4764] gfs2_sys_fs_add+0x1dc/0x3d8 [ 100.431625][ T4764] gfs2_fill_super+0xdec/0x19ec [ 100.432317][ T4764] get_tree_bdev+0x358/0x544 [ 100.432967][ T4764] gfs2_get_tree+0x54/0x1b4 [ 100.433634][ T4764] vfs_get_tree+0x90/0x274 [ 100.434277][ T4764] do_new_mount+0x228/0x810 [ 100.435056][ T4764] path_mount+0x5b4/0xe78 [ 100.435771][ T4764] __arm64_sys_mount+0x49c/0x584 [ 100.436552][ T4764] invoke_syscall+0x98/0x2bc [ 100.437246][ T4764] el0_svc_common+0x138/0x258 [ 100.437983][ T4764] do_el0_svc+0x58/0x13c [ 100.438630][ T4764] el0_svc+0x58/0x138 [ 100.439254][ T4764] el0t_64_sync_handler+0x84/0xf0 [ 100.439991][ T4764] el0t_64_sync+0x18c/0x190 [ 100.440807][ T4764] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 100.442665][ T4764] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 100.568689][ T4766] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 100.569844][ T4766] CPU: 1 PID: 4766 Comm: syz.1.129 Tainted: G W syzkaller #0 [ 100.571118][ T4766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 100.572654][ T4766] Call trace: [ 100.573106][ T4766] dump_backtrace+0x1c8/0x1f4 [ 100.573797][ T4766] show_stack+0x2c/0x3c [ 100.574450][ T4766] __dump_stack+0x30/0x40 [ 100.575110][ T4766] dump_stack_lvl+0xf8/0x160 [ 100.575815][ T4766] dump_stack+0x1c/0x5c [ 100.576459][ T4766] sysfs_create_dir_ns+0x22c/0x24c [ 100.577230][ T4766] kobject_add_internal+0x5a8/0xb30 [ 100.578057][ T4766] kobject_init_and_add+0x118/0x17c [ 100.578839][ T4766] gfs2_sys_fs_add+0x1dc/0x3d8 [ 100.579572][ T4766] gfs2_fill_super+0xdec/0x19ec [ 100.580290][ T4766] get_tree_bdev+0x358/0x544 [ 100.581002][ T4766] gfs2_get_tree+0x54/0x1b4 [ 100.581686][ T4766] vfs_get_tree+0x90/0x274 [ 100.582352][ T4766] do_new_mount+0x228/0x810 [ 100.583020][ T4766] path_mount+0x5b4/0xe78 [ 100.583647][ T4766] __arm64_sys_mount+0x49c/0x584 [ 100.584365][ T4766] invoke_syscall+0x98/0x2bc [ 100.585030][ T4766] el0_svc_common+0x138/0x258 [ 100.585708][ T4766] do_el0_svc+0x58/0x13c [ 100.586329][ T4766] el0_svc+0x58/0x138 [ 100.586931][ T4766] el0t_64_sync_handler+0x84/0xf0 [ 100.587669][ T4766] el0t_64_sync+0x18c/0x190 [ 100.589463][ T4766] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 100.591429][ T4766] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 100.716803][ T4768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 100.717994][ T4768] CPU: 0 PID: 4768 Comm: syz.1.130 Tainted: G W syzkaller #0 [ 100.719406][ T4768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 100.720902][ T4768] Call trace: [ 100.721392][ T4768] dump_backtrace+0x1c8/0x1f4 [ 100.722186][ T4768] show_stack+0x2c/0x3c [ 100.722866][ T4768] __dump_stack+0x30/0x40 [ 100.723582][ T4768] dump_stack_lvl+0xf8/0x160 [ 100.724304][ T4768] dump_stack+0x1c/0x5c [ 100.724930][ T4768] sysfs_create_dir_ns+0x22c/0x24c [ 100.725775][ T4768] kobject_add_internal+0x5a8/0xb30 [ 100.726620][ T4768] kobject_init_and_add+0x118/0x17c [ 100.727442][ T4768] gfs2_sys_fs_add+0x1dc/0x3d8 [ 100.728215][ T4768] gfs2_fill_super+0xdec/0x19ec [ 100.729003][ T4768] get_tree_bdev+0x358/0x544 [ 100.729689][ T4768] gfs2_get_tree+0x54/0x1b4 [ 100.730387][ T4768] vfs_get_tree+0x90/0x274 [ 100.731025][ T4768] do_new_mount+0x228/0x810 [ 100.731739][ T4768] path_mount+0x5b4/0xe78 [ 100.732365][ T4768] __arm64_sys_mount+0x49c/0x584 [ 100.733126][ T4768] invoke_syscall+0x98/0x2bc [ 100.733788][ T4768] el0_svc_common+0x138/0x258 [ 100.734509][ T4768] do_el0_svc+0x58/0x13c [ 100.735139][ T4768] el0_svc+0x58/0x138 [ 100.735771][ T4768] el0t_64_sync_handler+0x84/0xf0 [ 100.736516][ T4768] el0t_64_sync+0x18c/0x190 [ 100.737804][ T4768] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 100.739660][ T4768] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 100.856611][ T4770] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 100.857769][ T4770] CPU: 0 PID: 4770 Comm: syz.1.131 Tainted: G W syzkaller #0 [ 100.859054][ T4770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 100.860423][ T4770] Call trace: [ 100.860881][ T4770] dump_backtrace+0x1c8/0x1f4 [ 100.861584][ T4770] show_stack+0x2c/0x3c [ 100.862187][ T4770] __dump_stack+0x30/0x40 [ 100.862835][ T4770] dump_stack_lvl+0xf8/0x160 [ 100.863460][ T4770] dump_stack+0x1c/0x5c [ 100.864079][ T4770] sysfs_create_dir_ns+0x22c/0x24c [ 100.864881][ T4770] kobject_add_internal+0x5a8/0xb30 [ 100.865651][ T4770] kobject_init_and_add+0x118/0x17c [ 100.866447][ T4770] gfs2_sys_fs_add+0x1dc/0x3d8 [ 100.867222][ T4770] gfs2_fill_super+0xdec/0x19ec [ 100.867925][ T4770] get_tree_bdev+0x358/0x544 [ 100.868660][ T4770] gfs2_get_tree+0x54/0x1b4 [ 100.869323][ T4770] vfs_get_tree+0x90/0x274 [ 100.869989][ T4770] do_new_mount+0x228/0x810 [ 100.870641][ T4770] path_mount+0x5b4/0xe78 [ 100.871274][ T4770] __arm64_sys_mount+0x49c/0x584 [ 100.872031][ T4770] invoke_syscall+0x98/0x2bc [ 100.872706][ T4770] el0_svc_common+0x138/0x258 [ 100.873409][ T4770] do_el0_svc+0x58/0x13c [ 100.874064][ T4770] el0_svc+0x58/0x138 [ 100.874643][ T4770] el0t_64_sync_handler+0x84/0xf0 [ 100.875375][ T4770] el0t_64_sync+0x18c/0x190 [ 100.876498][ T4770] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 100.878576][ T4770] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 101.000522][ T4772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 101.001707][ T4772] CPU: 1 PID: 4772 Comm: syz.1.132 Tainted: G W syzkaller #0 [ 101.003018][ T4772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 101.004521][ T4772] Call trace: [ 101.005049][ T4772] dump_backtrace+0x1c8/0x1f4 [ 101.005686][ T4772] show_stack+0x2c/0x3c [ 101.006268][ T4772] __dump_stack+0x30/0x40 [ 101.006970][ T4772] dump_stack_lvl+0xf8/0x160 [ 101.007658][ T4772] dump_stack+0x1c/0x5c [ 101.008308][ T4772] sysfs_create_dir_ns+0x22c/0x24c [ 101.009016][ T4772] kobject_add_internal+0x5a8/0xb30 [ 101.009746][ T4772] kobject_init_and_add+0x118/0x17c [ 101.010456][ T4772] gfs2_sys_fs_add+0x1dc/0x3d8 [ 101.011128][ T4772] gfs2_fill_super+0xdec/0x19ec [ 101.011862][ T4772] get_tree_bdev+0x358/0x544 [ 101.012545][ T4772] gfs2_get_tree+0x54/0x1b4 [ 101.013264][ T4772] vfs_get_tree+0x90/0x274 [ 101.013940][ T4772] do_new_mount+0x228/0x810 [ 101.014663][ T4772] path_mount+0x5b4/0xe78 [ 101.015375][ T4772] __arm64_sys_mount+0x49c/0x584 [ 101.016158][ T4772] invoke_syscall+0x98/0x2bc [ 101.016889][ T4772] el0_svc_common+0x138/0x258 [ 101.017585][ T4772] do_el0_svc+0x58/0x13c [ 101.018260][ T4772] el0_svc+0x58/0x138 [ 101.018904][ T4772] el0t_64_sync_handler+0x84/0xf0 [ 101.019664][ T4772] el0t_64_sync+0x18c/0x190 [ 101.021591][ T4772] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 101.023634][ T4772] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 101.180965][ T4774] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 101.182268][ T4774] CPU: 1 PID: 4774 Comm: syz.1.133 Tainted: G W syzkaller #0 [ 101.183617][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 101.185120][ T4774] Call trace: [ 101.185571][ T4774] dump_backtrace+0x1c8/0x1f4 [ 101.186225][ T4774] show_stack+0x2c/0x3c [ 101.186857][ T4774] __dump_stack+0x30/0x40 [ 101.187536][ T4774] dump_stack_lvl+0xf8/0x160 [ 101.188197][ T4774] dump_stack+0x1c/0x5c [ 101.188780][ T4774] sysfs_create_dir_ns+0x22c/0x24c [ 101.189555][ T4774] kobject_add_internal+0x5a8/0xb30 [ 101.190301][ T4774] kobject_init_and_add+0x118/0x17c [ 101.191147][ T4774] gfs2_sys_fs_add+0x1dc/0x3d8 [ 101.191879][ T4774] gfs2_fill_super+0xdec/0x19ec [ 101.192646][ T4774] get_tree_bdev+0x358/0x544 [ 101.193375][ T4774] gfs2_get_tree+0x54/0x1b4 [ 101.194050][ T4774] vfs_get_tree+0x90/0x274 [ 101.194708][ T4774] do_new_mount+0x228/0x810 [ 101.195381][ T4774] path_mount+0x5b4/0xe78 [ 101.196052][ T4774] __arm64_sys_mount+0x49c/0x584 [ 101.196791][ T4774] invoke_syscall+0x98/0x2bc [ 101.197491][ T4774] el0_svc_common+0x138/0x258 [ 101.198219][ T4774] do_el0_svc+0x58/0x13c [ 101.198794][ T4774] el0_svc+0x58/0x138 [ 101.199373][ T4774] el0t_64_sync_handler+0x84/0xf0 [ 101.200103][ T4774] el0t_64_sync+0x18c/0x190 [ 101.201984][ T4774] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 101.203973][ T4774] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 101.329119][ T4776] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 101.330242][ T4776] CPU: 1 PID: 4776 Comm: syz.1.134 Tainted: G W syzkaller #0 [ 101.331448][ T4776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 101.332890][ T4776] Call trace: [ 101.333351][ T4776] dump_backtrace+0x1c8/0x1f4 [ 101.334035][ T4776] show_stack+0x2c/0x3c [ 101.334708][ T4776] __dump_stack+0x30/0x40 [ 101.335311][ T4776] dump_stack_lvl+0xf8/0x160 [ 101.336022][ T4776] dump_stack+0x1c/0x5c [ 101.336648][ T4776] sysfs_create_dir_ns+0x22c/0x24c [ 101.337363][ T4776] kobject_add_internal+0x5a8/0xb30 [ 101.338162][ T4776] kobject_init_and_add+0x118/0x17c [ 101.338943][ T4776] gfs2_sys_fs_add+0x1dc/0x3d8 [ 101.339644][ T4776] gfs2_fill_super+0xdec/0x19ec [ 101.340364][ T4776] get_tree_bdev+0x358/0x544 [ 101.341054][ T4776] gfs2_get_tree+0x54/0x1b4 [ 101.341700][ T4776] vfs_get_tree+0x90/0x274 [ 101.342354][ T4776] do_new_mount+0x228/0x810 [ 101.343017][ T4776] path_mount+0x5b4/0xe78 [ 101.343703][ T4776] __arm64_sys_mount+0x49c/0x584 [ 101.344415][ T4776] invoke_syscall+0x98/0x2bc [ 101.345089][ T4776] el0_svc_common+0x138/0x258 [ 101.345777][ T4776] do_el0_svc+0x58/0x13c [ 101.346393][ T4776] el0_svc+0x58/0x138 [ 101.347001][ T4776] el0t_64_sync_handler+0x84/0xf0 [ 101.347717][ T4776] el0t_64_sync+0x18c/0x190 [ 101.349451][ T4776] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 101.351396][ T4776] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 101.472217][ T4778] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 101.473415][ T4778] CPU: 1 PID: 4778 Comm: syz.1.135 Tainted: G W syzkaller #0 [ 101.474738][ T4778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 101.476297][ T4778] Call trace: [ 101.476760][ T4778] dump_backtrace+0x1c8/0x1f4 [ 101.477445][ T4778] show_stack+0x2c/0x3c [ 101.478096][ T4778] __dump_stack+0x30/0x40 [ 101.478748][ T4778] dump_stack_lvl+0xf8/0x160 [ 101.479445][ T4778] dump_stack+0x1c/0x5c [ 101.480068][ T4778] sysfs_create_dir_ns+0x22c/0x24c [ 101.480821][ T4778] kobject_add_internal+0x5a8/0xb30 [ 101.481590][ T4778] kobject_init_and_add+0x118/0x17c [ 101.482382][ T4778] gfs2_sys_fs_add+0x1dc/0x3d8 [ 101.483071][ T4778] gfs2_fill_super+0xdec/0x19ec [ 101.483752][ T4778] get_tree_bdev+0x358/0x544 [ 101.484364][ T4778] gfs2_get_tree+0x54/0x1b4 [ 101.485153][ T4778] vfs_get_tree+0x90/0x274 [ 101.485912][ T4778] do_new_mount+0x228/0x810 [ 101.486616][ T4778] path_mount+0x5b4/0xe78 [ 101.487317][ T4778] __arm64_sys_mount+0x49c/0x584 [ 101.488088][ T4778] invoke_syscall+0x98/0x2bc [ 101.488850][ T4778] el0_svc_common+0x138/0x258 [ 101.489605][ T4778] do_el0_svc+0x58/0x13c [ 101.490291][ T4778] el0_svc+0x58/0x138 [ 101.490914][ T4778] el0t_64_sync_handler+0x84/0xf0 [ 101.491659][ T4778] el0t_64_sync+0x18c/0x190 [ 101.493658][ T4778] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 101.495849][ T4778] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 101.616937][ T4780] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 101.618114][ T4780] CPU: 0 PID: 4780 Comm: syz.1.136 Tainted: G W syzkaller #0 [ 101.619460][ T4780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 101.620869][ T4780] Call trace: [ 101.621334][ T4780] dump_backtrace+0x1c8/0x1f4 [ 101.621975][ T4780] show_stack+0x2c/0x3c [ 101.622559][ T4780] __dump_stack+0x30/0x40 [ 101.623115][ T4780] dump_stack_lvl+0xf8/0x160 [ 101.623753][ T4780] dump_stack+0x1c/0x5c [ 101.624309][ T4780] sysfs_create_dir_ns+0x22c/0x24c [ 101.625108][ T4780] kobject_add_internal+0x5a8/0xb30 [ 101.625959][ T4780] kobject_init_and_add+0x118/0x17c [ 101.626770][ T4780] gfs2_sys_fs_add+0x1dc/0x3d8 [ 101.627465][ T4780] gfs2_fill_super+0xdec/0x19ec [ 101.628163][ T4780] get_tree_bdev+0x358/0x544 [ 101.628859][ T4780] gfs2_get_tree+0x54/0x1b4 [ 101.629463][ T4780] vfs_get_tree+0x90/0x274 [ 101.630086][ T4780] do_new_mount+0x228/0x810 [ 101.630784][ T4780] path_mount+0x5b4/0xe78 [ 101.631424][ T4780] __arm64_sys_mount+0x49c/0x584 [ 101.632139][ T4780] invoke_syscall+0x98/0x2bc [ 101.632859][ T4780] el0_svc_common+0x138/0x258 [ 101.633558][ T4780] do_el0_svc+0x58/0x13c [ 101.634134][ T4780] el0_svc+0x58/0x138 [ 101.634797][ T4780] el0t_64_sync_handler+0x84/0xf0 [ 101.635556][ T4780] el0t_64_sync+0x18c/0x190 [ 101.636382][ T4780] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 101.638169][ T4780] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 101.753214][ T4782] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 101.754622][ T4782] CPU: 1 PID: 4782 Comm: syz.1.137 Tainted: G W syzkaller #0 [ 101.755869][ T4782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 101.757409][ T4782] Call trace: [ 101.757879][ T4782] dump_backtrace+0x1c8/0x1f4 [ 101.758605][ T4782] show_stack+0x2c/0x3c [ 101.759200][ T4782] __dump_stack+0x30/0x40 [ 101.759890][ T4782] dump_stack_lvl+0xf8/0x160 [ 101.760637][ T4782] dump_stack+0x1c/0x5c [ 101.761278][ T4782] sysfs_create_dir_ns+0x22c/0x24c [ 101.762036][ T4782] kobject_add_internal+0x5a8/0xb30 [ 101.762804][ T4782] kobject_init_and_add+0x118/0x17c [ 101.763606][ T4782] gfs2_sys_fs_add+0x1dc/0x3d8 [ 101.764315][ T4782] gfs2_fill_super+0xdec/0x19ec [ 101.765133][ T4782] get_tree_bdev+0x358/0x544 [ 101.765881][ T4782] gfs2_get_tree+0x54/0x1b4 [ 101.766619][ T4782] vfs_get_tree+0x90/0x274 [ 101.767334][ T4782] do_new_mount+0x228/0x810 [ 101.768020][ T4782] path_mount+0x5b4/0xe78 [ 101.768699][ T4782] __arm64_sys_mount+0x49c/0x584 [ 101.769415][ T4782] invoke_syscall+0x98/0x2bc [ 101.770140][ T4782] el0_svc_common+0x138/0x258 [ 101.770871][ T4782] do_el0_svc+0x58/0x13c [ 101.771582][ T4782] el0_svc+0x58/0x138 [ 101.772171][ T4782] el0t_64_sync_handler+0x84/0xf0 [ 101.772949][ T4782] el0t_64_sync+0x18c/0x190 [ 101.774879][ T4782] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 101.776872][ T4782] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 101.898705][ T4784] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 101.900401][ T4784] CPU: 1 PID: 4784 Comm: syz.1.138 Tainted: G W syzkaller #0 [ 101.901698][ T4784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 101.903152][ T4784] Call trace: [ 101.903658][ T4784] dump_backtrace+0x1c8/0x1f4 [ 101.904383][ T4784] show_stack+0x2c/0x3c [ 101.904975][ T4784] __dump_stack+0x30/0x40 [ 101.905630][ T4784] dump_stack_lvl+0xf8/0x160 [ 101.906243][ T4784] dump_stack+0x1c/0x5c [ 101.906877][ T4784] sysfs_create_dir_ns+0x22c/0x24c [ 101.907646][ T4784] kobject_add_internal+0x5a8/0xb30 [ 101.908387][ T4784] kobject_init_and_add+0x118/0x17c [ 101.909104][ T4784] gfs2_sys_fs_add+0x1dc/0x3d8 [ 101.909786][ T4784] gfs2_fill_super+0xdec/0x19ec [ 101.910504][ T4784] get_tree_bdev+0x358/0x544 [ 101.911190][ T4784] gfs2_get_tree+0x54/0x1b4 [ 101.911879][ T4784] vfs_get_tree+0x90/0x274 [ 101.912522][ T4784] do_new_mount+0x228/0x810 [ 101.913166][ T4784] path_mount+0x5b4/0xe78 [ 101.913771][ T4784] __arm64_sys_mount+0x49c/0x584 [ 101.914547][ T4784] invoke_syscall+0x98/0x2bc [ 101.915250][ T4784] el0_svc_common+0x138/0x258 [ 101.915907][ T4784] do_el0_svc+0x58/0x13c [ 101.916524][ T4784] el0_svc+0x58/0x138 [ 101.917114][ T4784] el0t_64_sync_handler+0x84/0xf0 [ 101.917818][ T4784] el0t_64_sync+0x18c/0x190 [ 101.919777][ T4784] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 101.921717][ T4784] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 102.037710][ T4786] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 102.038842][ T4786] CPU: 1 PID: 4786 Comm: syz.1.139 Tainted: G W syzkaller #0 [ 102.040113][ T4786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 102.041601][ T4786] Call trace: [ 102.042056][ T4786] dump_backtrace+0x1c8/0x1f4 [ 102.042753][ T4786] show_stack+0x2c/0x3c [ 102.043365][ T4786] __dump_stack+0x30/0x40 [ 102.044011][ T4786] dump_stack_lvl+0xf8/0x160 [ 102.044661][ T4786] dump_stack+0x1c/0x5c [ 102.045275][ T4786] sysfs_create_dir_ns+0x22c/0x24c [ 102.045996][ T4786] kobject_add_internal+0x5a8/0xb30 [ 102.046755][ T4786] kobject_init_and_add+0x118/0x17c [ 102.047534][ T4786] gfs2_sys_fs_add+0x1dc/0x3d8 [ 102.048227][ T4786] gfs2_fill_super+0xdec/0x19ec [ 102.048919][ T4786] get_tree_bdev+0x358/0x544 [ 102.049554][ T4786] gfs2_get_tree+0x54/0x1b4 [ 102.050190][ T4786] vfs_get_tree+0x90/0x274 [ 102.050858][ T4786] do_new_mount+0x228/0x810 [ 102.051550][ T4786] path_mount+0x5b4/0xe78 [ 102.052185][ T4786] __arm64_sys_mount+0x49c/0x584 [ 102.052875][ T4786] invoke_syscall+0x98/0x2bc [ 102.053551][ T4786] el0_svc_common+0x138/0x258 [ 102.054198][ T4786] do_el0_svc+0x58/0x13c [ 102.054759][ T4786] el0_svc+0x58/0x138 [ 102.055280][ T4786] el0t_64_sync_handler+0x84/0xf0 [ 102.055976][ T4786] el0t_64_sync+0x18c/0x190 [ 102.057919][ T4786] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 102.059848][ T4786] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 102.185323][ T4788] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 102.186395][ T4788] CPU: 0 PID: 4788 Comm: syz.1.140 Tainted: G W syzkaller #0 [ 102.187611][ T4788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 102.189082][ T4788] Call trace: [ 102.189540][ T4788] dump_backtrace+0x1c8/0x1f4 [ 102.190207][ T4788] show_stack+0x2c/0x3c [ 102.190846][ T4788] __dump_stack+0x30/0x40 [ 102.191514][ T4788] dump_stack_lvl+0xf8/0x160 [ 102.192222][ T4788] dump_stack+0x1c/0x5c [ 102.192868][ T4788] sysfs_create_dir_ns+0x22c/0x24c [ 102.193621][ T4788] kobject_add_internal+0x5a8/0xb30 [ 102.194393][ T4788] kobject_init_and_add+0x118/0x17c [ 102.195182][ T4788] gfs2_sys_fs_add+0x1dc/0x3d8 [ 102.195904][ T4788] gfs2_fill_super+0xdec/0x19ec [ 102.196635][ T4788] get_tree_bdev+0x358/0x544 [ 102.197281][ T4788] gfs2_get_tree+0x54/0x1b4 [ 102.197977][ T4788] vfs_get_tree+0x90/0x274 [ 102.198685][ T4788] do_new_mount+0x228/0x810 [ 102.199339][ T4788] path_mount+0x5b4/0xe78 [ 102.199938][ T4788] __arm64_sys_mount+0x49c/0x584 [ 102.200702][ T4788] invoke_syscall+0x98/0x2bc [ 102.201362][ T4788] el0_svc_common+0x138/0x258 [ 102.202059][ T4788] do_el0_svc+0x58/0x13c [ 102.202720][ T4788] el0_svc+0x58/0x138 [ 102.203349][ T4788] el0t_64_sync_handler+0x84/0xf0 [ 102.204069][ T4788] el0t_64_sync+0x18c/0x190 [ 102.205211][ T4788] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 102.207144][ T4788] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 102.328703][ T4790] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 102.329928][ T4790] CPU: 1 PID: 4790 Comm: syz.1.141 Tainted: G W syzkaller #0 [ 102.331341][ T4790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 102.332833][ T4790] Call trace: [ 102.333317][ T4790] dump_backtrace+0x1c8/0x1f4 [ 102.334021][ T4790] show_stack+0x2c/0x3c [ 102.334660][ T4790] __dump_stack+0x30/0x40 [ 102.335389][ T4790] dump_stack_lvl+0xf8/0x160 [ 102.336118][ T4790] dump_stack+0x1c/0x5c [ 102.336765][ T4790] sysfs_create_dir_ns+0x22c/0x24c [ 102.337447][ T4790] kobject_add_internal+0x5a8/0xb30 [ 102.338194][ T4790] kobject_init_and_add+0x118/0x17c [ 102.338890][ T4790] gfs2_sys_fs_add+0x1dc/0x3d8 [ 102.339588][ T4790] gfs2_fill_super+0xdec/0x19ec [ 102.340298][ T4790] get_tree_bdev+0x358/0x544 [ 102.340943][ T4790] gfs2_get_tree+0x54/0x1b4 [ 102.341550][ T4790] vfs_get_tree+0x90/0x274 [ 102.342201][ T4790] do_new_mount+0x228/0x810 [ 102.342863][ T4790] path_mount+0x5b4/0xe78 [ 102.343506][ T4790] __arm64_sys_mount+0x49c/0x584 [ 102.344212][ T4790] invoke_syscall+0x98/0x2bc [ 102.344909][ T4790] el0_svc_common+0x138/0x258 [ 102.345639][ T4790] do_el0_svc+0x58/0x13c [ 102.346250][ T4790] el0_svc+0x58/0x138 [ 102.346896][ T4790] el0t_64_sync_handler+0x84/0xf0 [ 102.347609][ T4790] el0t_64_sync+0x18c/0x190 [ 102.348329][ T4790] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 102.350245][ T4790] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 102.470398][ T4792] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 102.471568][ T4792] CPU: 0 PID: 4792 Comm: syz.1.142 Tainted: G W syzkaller #0 [ 102.472795][ T4792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 102.474322][ T4792] Call trace: [ 102.474884][ T4792] dump_backtrace+0x1c8/0x1f4 [ 102.475594][ T4792] show_stack+0x2c/0x3c [ 102.476219][ T4792] __dump_stack+0x30/0x40 [ 102.476893][ T4792] dump_stack_lvl+0xf8/0x160 [ 102.477587][ T4792] dump_stack+0x1c/0x5c [ 102.478210][ T4792] sysfs_create_dir_ns+0x22c/0x24c [ 102.479037][ T4792] kobject_add_internal+0x5a8/0xb30 [ 102.479852][ T4792] kobject_init_and_add+0x118/0x17c [ 102.480626][ T4792] gfs2_sys_fs_add+0x1dc/0x3d8 [ 102.481404][ T4792] gfs2_fill_super+0xdec/0x19ec [ 102.482191][ T4792] get_tree_bdev+0x358/0x544 [ 102.482918][ T4792] gfs2_get_tree+0x54/0x1b4 [ 102.483626][ T4792] vfs_get_tree+0x90/0x274 [ 102.484300][ T4792] do_new_mount+0x228/0x810 [ 102.484946][ T4792] path_mount+0x5b4/0xe78 [ 102.485639][ T4792] __arm64_sys_mount+0x49c/0x584 [ 102.486327][ T4792] invoke_syscall+0x98/0x2bc [ 102.487022][ T4792] el0_svc_common+0x138/0x258 [ 102.487726][ T4792] do_el0_svc+0x58/0x13c [ 102.488315][ T4792] el0_svc+0x58/0x138 [ 102.488947][ T4792] el0t_64_sync_handler+0x84/0xf0 [ 102.489693][ T4792] el0t_64_sync+0x18c/0x190 [ 102.491577][ T4792] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 102.493533][ T4792] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 102.619377][ T4794] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 102.620867][ T4794] CPU: 1 PID: 4794 Comm: syz.1.143 Tainted: G W syzkaller #0 [ 102.622243][ T4794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 102.623790][ T4794] Call trace: [ 102.624279][ T4794] dump_backtrace+0x1c8/0x1f4 [ 102.625024][ T4794] show_stack+0x2c/0x3c [ 102.625644][ T4794] __dump_stack+0x30/0x40 [ 102.626319][ T4794] dump_stack_lvl+0xf8/0x160 [ 102.627044][ T4794] dump_stack+0x1c/0x5c [ 102.627648][ T4794] sysfs_create_dir_ns+0x22c/0x24c [ 102.628347][ T4794] kobject_add_internal+0x5a8/0xb30 [ 102.629138][ T4794] kobject_init_and_add+0x118/0x17c [ 102.629920][ T4794] gfs2_sys_fs_add+0x1dc/0x3d8 [ 102.630713][ T4794] gfs2_fill_super+0xdec/0x19ec [ 102.631536][ T4794] get_tree_bdev+0x358/0x544 [ 102.632266][ T4794] gfs2_get_tree+0x54/0x1b4 [ 102.633028][ T4794] vfs_get_tree+0x90/0x274 [ 102.633736][ T4794] do_new_mount+0x228/0x810 [ 102.634410][ T4794] path_mount+0x5b4/0xe78 [ 102.635097][ T4794] __arm64_sys_mount+0x49c/0x584 [ 102.635866][ T4794] invoke_syscall+0x98/0x2bc [ 102.636581][ T4794] el0_svc_common+0x138/0x258 [ 102.637345][ T4794] do_el0_svc+0x58/0x13c [ 102.637972][ T4794] el0_svc+0x58/0x138 [ 102.638589][ T4794] el0t_64_sync_handler+0x84/0xf0 [ 102.639288][ T4794] el0t_64_sync+0x18c/0x190 [ 102.640145][ T4794] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 102.642125][ T4794] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 102.765052][ T4796] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 102.766234][ T4796] CPU: 0 PID: 4796 Comm: syz.1.144 Tainted: G W syzkaller #0 [ 102.767552][ T4796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 102.769024][ T4796] Call trace: [ 102.769464][ T4796] dump_backtrace+0x1c8/0x1f4 [ 102.770155][ T4796] show_stack+0x2c/0x3c [ 102.770700][ T4796] __dump_stack+0x30/0x40 [ 102.771281][ T4796] dump_stack_lvl+0xf8/0x160 [ 102.771992][ T4796] dump_stack+0x1c/0x5c [ 102.772615][ T4796] sysfs_create_dir_ns+0x22c/0x24c [ 102.773376][ T4796] kobject_add_internal+0x5a8/0xb30 [ 102.774149][ T4796] kobject_init_and_add+0x118/0x17c [ 102.774891][ T4796] gfs2_sys_fs_add+0x1dc/0x3d8 [ 102.775728][ T4796] gfs2_fill_super+0xdec/0x19ec [ 102.776545][ T4796] get_tree_bdev+0x358/0x544 [ 102.777339][ T4796] gfs2_get_tree+0x54/0x1b4 [ 102.778102][ T4796] vfs_get_tree+0x90/0x274 [ 102.778801][ T4796] do_new_mount+0x228/0x810 [ 102.779498][ T4796] path_mount+0x5b4/0xe78 [ 102.780192][ T4796] __arm64_sys_mount+0x49c/0x584 [ 102.781009][ T4796] invoke_syscall+0x98/0x2bc [ 102.781695][ T4796] el0_svc_common+0x138/0x258 [ 102.782451][ T4796] do_el0_svc+0x58/0x13c [ 102.783118][ T4796] el0_svc+0x58/0x138 [ 102.783742][ T4796] el0t_64_sync_handler+0x84/0xf0 [ 102.784538][ T4796] el0t_64_sync+0x18c/0x190 [ 102.786502][ T4796] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 102.788649][ T4796] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 102.912724][ T4798] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 102.914439][ T4798] CPU: 1 PID: 4798 Comm: syz.1.145 Tainted: G W syzkaller #0 [ 102.915741][ T4798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 102.917215][ T4798] Call trace: [ 102.917735][ T4798] dump_backtrace+0x1c8/0x1f4 [ 102.918431][ T4798] show_stack+0x2c/0x3c [ 102.919059][ T4798] __dump_stack+0x30/0x40 [ 102.919750][ T4798] dump_stack_lvl+0xf8/0x160 [ 102.920476][ T4798] dump_stack+0x1c/0x5c [ 102.921099][ T4798] sysfs_create_dir_ns+0x22c/0x24c [ 102.921891][ T4798] kobject_add_internal+0x5a8/0xb30 [ 102.922654][ T4798] kobject_init_and_add+0x118/0x17c [ 102.923391][ T4798] gfs2_sys_fs_add+0x1dc/0x3d8 [ 102.924128][ T4798] gfs2_fill_super+0xdec/0x19ec [ 102.924812][ T4798] get_tree_bdev+0x358/0x544 [ 102.925505][ T4798] gfs2_get_tree+0x54/0x1b4 [ 102.926205][ T4798] vfs_get_tree+0x90/0x274 [ 102.926879][ T4798] do_new_mount+0x228/0x810 [ 102.927510][ T4798] path_mount+0x5b4/0xe78 [ 102.928057][ T4798] __arm64_sys_mount+0x49c/0x584 [ 102.928777][ T4798] invoke_syscall+0x98/0x2bc [ 102.929434][ T4798] el0_svc_common+0x138/0x258 [ 102.930068][ T4798] do_el0_svc+0x58/0x13c [ 102.930656][ T4798] el0_svc+0x58/0x138 [ 102.931228][ T4798] el0t_64_sync_handler+0x84/0xf0 [ 102.931927][ T4798] el0t_64_sync+0x18c/0x190 [ 102.932708][ T4798] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 102.934592][ T4798] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 103.075890][ T4800] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 103.077059][ T4800] CPU: 1 PID: 4800 Comm: syz.1.146 Tainted: G W syzkaller #0 [ 103.078344][ T4800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 103.079739][ T4800] Call trace: [ 103.080270][ T4800] dump_backtrace+0x1c8/0x1f4 [ 103.080989][ T4800] show_stack+0x2c/0x3c [ 103.081595][ T4800] __dump_stack+0x30/0x40 [ 103.082185][ T4800] dump_stack_lvl+0xf8/0x160 [ 103.082839][ T4800] dump_stack+0x1c/0x5c [ 103.083430][ T4800] sysfs_create_dir_ns+0x22c/0x24c [ 103.084177][ T4800] kobject_add_internal+0x5a8/0xb30 [ 103.084977][ T4800] kobject_init_and_add+0x118/0x17c [ 103.085725][ T4800] gfs2_sys_fs_add+0x1dc/0x3d8 [ 103.086379][ T4800] gfs2_fill_super+0xdec/0x19ec [ 103.087096][ T4800] get_tree_bdev+0x358/0x544 [ 103.087772][ T4800] gfs2_get_tree+0x54/0x1b4 [ 103.088470][ T4800] vfs_get_tree+0x90/0x274 [ 103.089111][ T4800] do_new_mount+0x228/0x810 [ 103.089773][ T4800] path_mount+0x5b4/0xe78 [ 103.090420][ T4800] __arm64_sys_mount+0x49c/0x584 [ 103.091171][ T4800] invoke_syscall+0x98/0x2bc [ 103.091831][ T4800] el0_svc_common+0x138/0x258 [ 103.092466][ T4800] do_el0_svc+0x58/0x13c [ 103.093080][ T4800] el0_svc+0x58/0x138 [ 103.093657][ T4800] el0t_64_sync_handler+0x84/0xf0 [ 103.094397][ T4800] el0t_64_sync+0x18c/0x190 [ 103.096310][ T4800] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 103.098304][ T4800] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 103.220970][ T4802] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 103.222245][ T4802] CPU: 1 PID: 4802 Comm: syz.1.147 Tainted: G W syzkaller #0 [ 103.223588][ T4802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 103.225113][ T4802] Call trace: [ 103.225624][ T4802] dump_backtrace+0x1c8/0x1f4 [ 103.226369][ T4802] show_stack+0x2c/0x3c [ 103.226961][ T4802] __dump_stack+0x30/0x40 [ 103.227624][ T4802] dump_stack_lvl+0xf8/0x160 [ 103.228319][ T4802] dump_stack+0x1c/0x5c [ 103.228941][ T4802] sysfs_create_dir_ns+0x22c/0x24c [ 103.229678][ T4802] kobject_add_internal+0x5a8/0xb30 [ 103.230508][ T4802] kobject_init_and_add+0x118/0x17c [ 103.231274][ T4802] gfs2_sys_fs_add+0x1dc/0x3d8 [ 103.232023][ T4802] gfs2_fill_super+0xdec/0x19ec [ 103.232717][ T4802] get_tree_bdev+0x358/0x544 [ 103.233296][ T4802] gfs2_get_tree+0x54/0x1b4 [ 103.233938][ T4802] vfs_get_tree+0x90/0x274 [ 103.234574][ T4802] do_new_mount+0x228/0x810 [ 103.235210][ T4802] path_mount+0x5b4/0xe78 [ 103.235841][ T4802] __arm64_sys_mount+0x49c/0x584 [ 103.236551][ T4802] invoke_syscall+0x98/0x2bc [ 103.237207][ T4802] el0_svc_common+0x138/0x258 [ 103.237840][ T4802] do_el0_svc+0x58/0x13c [ 103.238472][ T4802] el0_svc+0x58/0x138 [ 103.239076][ T4802] el0t_64_sync_handler+0x84/0xf0 [ 103.239858][ T4802] el0t_64_sync+0x18c/0x190 [ 103.241840][ T4802] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 103.243758][ T4802] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 103.368389][ T4804] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 103.369500][ T4804] CPU: 0 PID: 4804 Comm: syz.1.148 Tainted: G W syzkaller #0 [ 103.370847][ T4804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 103.372359][ T4804] Call trace: [ 103.372833][ T4804] dump_backtrace+0x1c8/0x1f4 [ 103.373492][ T4804] show_stack+0x2c/0x3c [ 103.374052][ T4804] __dump_stack+0x30/0x40 [ 103.374681][ T4804] dump_stack_lvl+0xf8/0x160 [ 103.375308][ T4804] dump_stack+0x1c/0x5c [ 103.375956][ T4804] sysfs_create_dir_ns+0x22c/0x24c [ 103.376703][ T4804] kobject_add_internal+0x5a8/0xb30 [ 103.377434][ T4804] kobject_init_and_add+0x118/0x17c [ 103.378208][ T4804] gfs2_sys_fs_add+0x1dc/0x3d8 [ 103.378909][ T4804] gfs2_fill_super+0xdec/0x19ec [ 103.379633][ T4804] get_tree_bdev+0x358/0x544 [ 103.380311][ T4804] gfs2_get_tree+0x54/0x1b4 [ 103.380965][ T4804] vfs_get_tree+0x90/0x274 [ 103.381679][ T4804] do_new_mount+0x228/0x810 [ 103.382388][ T4804] path_mount+0x5b4/0xe78 [ 103.383076][ T4804] __arm64_sys_mount+0x49c/0x584 [ 103.383795][ T4804] invoke_syscall+0x98/0x2bc [ 103.384462][ T4804] el0_svc_common+0x138/0x258 [ 103.385161][ T4804] do_el0_svc+0x58/0x13c [ 103.385859][ T4804] el0_svc+0x58/0x138 [ 103.386447][ T4804] el0t_64_sync_handler+0x84/0xf0 [ 103.387153][ T4804] el0t_64_sync+0x18c/0x190 [ 103.387950][ T4804] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 103.389877][ T4804] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 103.522375][ T4806] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 103.523537][ T4806] CPU: 1 PID: 4806 Comm: syz.1.149 Tainted: G W syzkaller #0 [ 103.524868][ T4806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 103.526453][ T4806] Call trace: [ 103.526964][ T4806] dump_backtrace+0x1c8/0x1f4 [ 103.527698][ T4806] show_stack+0x2c/0x3c [ 103.528323][ T4806] __dump_stack+0x30/0x40 [ 103.529021][ T4806] dump_stack_lvl+0xf8/0x160 [ 103.529713][ T4806] dump_stack+0x1c/0x5c [ 103.530362][ T4806] sysfs_create_dir_ns+0x22c/0x24c [ 103.531086][ T4806] kobject_add_internal+0x5a8/0xb30 [ 103.531873][ T4806] kobject_init_and_add+0x118/0x17c [ 103.532590][ T4806] gfs2_sys_fs_add+0x1dc/0x3d8 [ 103.533314][ T4806] gfs2_fill_super+0xdec/0x19ec [ 103.534059][ T4806] get_tree_bdev+0x358/0x544 [ 103.534745][ T4806] gfs2_get_tree+0x54/0x1b4 [ 103.535381][ T4806] vfs_get_tree+0x90/0x274 [ 103.536079][ T4806] do_new_mount+0x228/0x810 [ 103.536718][ T4806] path_mount+0x5b4/0xe78 [ 103.537352][ T4806] __arm64_sys_mount+0x49c/0x584 [ 103.538042][ T4806] invoke_syscall+0x98/0x2bc [ 103.538693][ T4806] el0_svc_common+0x138/0x258 [ 103.539409][ T4806] do_el0_svc+0x58/0x13c [ 103.539983][ T4806] el0_svc+0x58/0x138 [ 103.540614][ T4806] el0t_64_sync_handler+0x84/0xf0 [ 103.541335][ T4806] el0t_64_sync+0x18c/0x190 [ 103.544951][ T4806] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 103.546998][ T4806] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 103.670303][ T4808] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 103.671465][ T4808] CPU: 1 PID: 4808 Comm: syz.1.150 Tainted: G W syzkaller #0 [ 103.672748][ T4808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 103.674302][ T4808] Call trace: [ 103.674831][ T4808] dump_backtrace+0x1c8/0x1f4 [ 103.675557][ T4808] show_stack+0x2c/0x3c [ 103.676172][ T4808] __dump_stack+0x30/0x40 [ 103.676821][ T4808] dump_stack_lvl+0xf8/0x160 [ 103.677526][ T4808] dump_stack+0x1c/0x5c [ 103.678116][ T4808] sysfs_create_dir_ns+0x22c/0x24c [ 103.678822][ T4808] kobject_add_internal+0x5a8/0xb30 [ 103.679590][ T4808] kobject_init_and_add+0x118/0x17c [ 103.680375][ T4808] gfs2_sys_fs_add+0x1dc/0x3d8 [ 103.681097][ T4808] gfs2_fill_super+0xdec/0x19ec [ 103.681835][ T4808] get_tree_bdev+0x358/0x544 [ 103.682515][ T4808] gfs2_get_tree+0x54/0x1b4 [ 103.683154][ T4808] vfs_get_tree+0x90/0x274 [ 103.683750][ T4808] do_new_mount+0x228/0x810 [ 103.684415][ T4808] path_mount+0x5b4/0xe78 [ 103.685033][ T4808] __arm64_sys_mount+0x49c/0x584 [ 103.685735][ T4808] invoke_syscall+0x98/0x2bc [ 103.686388][ T4808] el0_svc_common+0x138/0x258 [ 103.687064][ T4808] do_el0_svc+0x58/0x13c [ 103.687735][ T4808] el0_svc+0x58/0x138 [ 103.688379][ T4808] el0t_64_sync_handler+0x84/0xf0 [ 103.689182][ T4808] el0t_64_sync+0x18c/0x190 [ 103.690038][ T4808] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 103.692070][ T4808] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 103.833120][ T4810] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 103.834421][ T4810] CPU: 1 PID: 4810 Comm: syz.1.151 Tainted: G W syzkaller #0 [ 103.835590][ T4810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 103.836960][ T4810] Call trace: [ 103.837510][ T4810] dump_backtrace+0x1c8/0x1f4 [ 103.838151][ T4810] show_stack+0x2c/0x3c [ 103.838756][ T4810] __dump_stack+0x30/0x40 [ 103.839410][ T4810] dump_stack_lvl+0xf8/0x160 [ 103.840051][ T4810] dump_stack+0x1c/0x5c [ 103.840612][ T4810] sysfs_create_dir_ns+0x22c/0x24c [ 103.841306][ T4810] kobject_add_internal+0x5a8/0xb30 [ 103.842070][ T4810] kobject_init_and_add+0x118/0x17c [ 103.842793][ T4810] gfs2_sys_fs_add+0x1dc/0x3d8 [ 103.843479][ T4810] gfs2_fill_super+0xdec/0x19ec [ 103.844215][ T4810] get_tree_bdev+0x358/0x544 [ 103.844927][ T4810] gfs2_get_tree+0x54/0x1b4 [ 103.845566][ T4810] vfs_get_tree+0x90/0x274 [ 103.846201][ T4810] do_new_mount+0x228/0x810 [ 103.846852][ T4810] path_mount+0x5b4/0xe78 [ 103.847445][ T4810] __arm64_sys_mount+0x49c/0x584 [ 103.848234][ T4810] invoke_syscall+0x98/0x2bc [ 103.848914][ T4810] el0_svc_common+0x138/0x258 [ 103.849601][ T4810] do_el0_svc+0x58/0x13c [ 103.850170][ T4810] el0_svc+0x58/0x138 [ 103.850704][ T4810] el0t_64_sync_handler+0x84/0xf0 [ 103.851452][ T4810] el0t_64_sync+0x18c/0x190 [ 103.852336][ T4810] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 103.854129][ T4810] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 103.969434][ T4812] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 103.970576][ T4812] CPU: 0 PID: 4812 Comm: syz.1.152 Tainted: G W syzkaller #0 [ 103.971946][ T4812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 103.973569][ T4812] Call trace: [ 103.974062][ T4812] dump_backtrace+0x1c8/0x1f4 [ 103.974794][ T4812] show_stack+0x2c/0x3c [ 103.975467][ T4812] __dump_stack+0x30/0x40 [ 103.976141][ T4812] dump_stack_lvl+0xf8/0x160 [ 103.976865][ T4812] dump_stack+0x1c/0x5c [ 103.977520][ T4812] sysfs_create_dir_ns+0x22c/0x24c [ 103.978293][ T4812] kobject_add_internal+0x5a8/0xb30 [ 103.979093][ T4812] kobject_init_and_add+0x118/0x17c [ 103.979847][ T4812] gfs2_sys_fs_add+0x1dc/0x3d8 [ 103.980543][ T4812] gfs2_fill_super+0xdec/0x19ec [ 103.981311][ T4812] get_tree_bdev+0x358/0x544 [ 103.982052][ T4812] gfs2_get_tree+0x54/0x1b4 [ 103.982756][ T4812] vfs_get_tree+0x90/0x274 [ 103.983397][ T4812] do_new_mount+0x228/0x810 [ 103.984043][ T4812] path_mount+0x5b4/0xe78 [ 103.984711][ T4812] __arm64_sys_mount+0x49c/0x584 [ 103.985500][ T4812] invoke_syscall+0x98/0x2bc [ 103.986189][ T4812] el0_svc_common+0x138/0x258 [ 103.986926][ T4812] do_el0_svc+0x58/0x13c [ 103.987565][ T4812] el0_svc+0x58/0x138 [ 103.988158][ T4812] el0t_64_sync_handler+0x84/0xf0 [ 103.988889][ T4812] el0t_64_sync+0x18c/0x190 [ 103.990861][ T4812] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 103.992971][ T4812] gfs2: fsid=syz:syz: error -17 adding sysfs files 1970/01/01 00:01:44 executed programs: 138 [ 104.111519][ T4814] set_capacity_and_notify: 24 callbacks suppressed [ 104.111529][ T4814] loop1: detected capacity change from 0 to 32768 [ 104.122334][ T4814] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 104.123575][ T4814] CPU: 1 PID: 4814 Comm: syz.1.153 Tainted: G W syzkaller #0 [ 104.124992][ T4814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 104.126571][ T4814] Call trace: [ 104.127083][ T4814] dump_backtrace+0x1c8/0x1f4 [ 104.127835][ T4814] show_stack+0x2c/0x3c [ 104.128497][ T4814] __dump_stack+0x30/0x40 [ 104.129186][ T4814] dump_stack_lvl+0xf8/0x160 [ 104.129955][ T4814] dump_stack+0x1c/0x5c [ 104.130620][ T4814] sysfs_create_dir_ns+0x22c/0x24c [ 104.131402][ T4814] kobject_add_internal+0x5a8/0xb30 [ 104.132189][ T4814] kobject_init_and_add+0x118/0x17c [ 104.132979][ T4814] gfs2_sys_fs_add+0x1dc/0x3d8 [ 104.133689][ T4814] gfs2_fill_super+0xdec/0x19ec [ 104.134383][ T4814] get_tree_bdev+0x358/0x544 [ 104.135043][ T4814] gfs2_get_tree+0x54/0x1b4 [ 104.135698][ T4814] vfs_get_tree+0x90/0x274 [ 104.136414][ T4814] do_new_mount+0x228/0x810 [ 104.137095][ T4814] path_mount+0x5b4/0xe78 [ 104.137764][ T4814] __arm64_sys_mount+0x49c/0x584 [ 104.138454][ T4814] invoke_syscall+0x98/0x2bc [ 104.139104][ T4814] el0_svc_common+0x138/0x258 [ 104.139772][ T4814] do_el0_svc+0x58/0x13c [ 104.140383][ T4814] el0_svc+0x58/0x138 [ 104.141007][ T4814] el0t_64_sync_handler+0x84/0xf0 [ 104.141791][ T4814] el0t_64_sync+0x18c/0x190 [ 104.142604][ T4814] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 104.144487][ T4814] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 104.270448][ T4816] loop1: detected capacity change from 0 to 32768 [ 104.272161][ T4816] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 104.273366][ T4816] CPU: 0 PID: 4816 Comm: syz.1.154 Tainted: G W syzkaller #0 [ 104.274741][ T4816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 104.276361][ T4816] Call trace: [ 104.276913][ T4816] dump_backtrace+0x1c8/0x1f4 [ 104.277638][ T4816] show_stack+0x2c/0x3c [ 104.278234][ T4816] __dump_stack+0x30/0x40 [ 104.278839][ T4816] dump_stack_lvl+0xf8/0x160 [ 104.279480][ T4816] dump_stack+0x1c/0x5c [ 104.280031][ T4816] sysfs_create_dir_ns+0x22c/0x24c [ 104.280720][ T4816] kobject_add_internal+0x5a8/0xb30 [ 104.281433][ T4816] kobject_init_and_add+0x118/0x17c [ 104.282191][ T4816] gfs2_sys_fs_add+0x1dc/0x3d8 [ 104.282896][ T4816] gfs2_fill_super+0xdec/0x19ec [ 104.283649][ T4816] get_tree_bdev+0x358/0x544 [ 104.284353][ T4816] gfs2_get_tree+0x54/0x1b4 [ 104.285052][ T4816] vfs_get_tree+0x90/0x274 [ 104.285721][ T4816] do_new_mount+0x228/0x810 [ 104.286433][ T4816] path_mount+0x5b4/0xe78 [ 104.287067][ T4816] __arm64_sys_mount+0x49c/0x584 [ 104.287815][ T4816] invoke_syscall+0x98/0x2bc [ 104.288502][ T4816] el0_svc_common+0x138/0x258 [ 104.289362][ T4816] do_el0_svc+0x58/0x13c [ 104.290028][ T4816] el0_svc+0x58/0x138 [ 104.290626][ T4816] el0t_64_sync_handler+0x84/0xf0 [ 104.291379][ T4816] el0t_64_sync+0x18c/0x190 [ 104.293386][ T4816] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 104.295551][ T4816] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 104.411862][ T4818] loop1: detected capacity change from 0 to 32768 [ 104.415477][ T4818] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 104.416510][ T4818] CPU: 0 PID: 4818 Comm: syz.1.155 Tainted: G W syzkaller #0 [ 104.417753][ T4818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 104.419185][ T4818] Call trace: [ 104.419655][ T4818] dump_backtrace+0x1c8/0x1f4 [ 104.420359][ T4818] show_stack+0x2c/0x3c [ 104.420948][ T4818] __dump_stack+0x30/0x40 [ 104.421551][ T4818] dump_stack_lvl+0xf8/0x160 [ 104.422272][ T4818] dump_stack+0x1c/0x5c [ 104.422838][ T4818] sysfs_create_dir_ns+0x22c/0x24c [ 104.423628][ T4818] kobject_add_internal+0x5a8/0xb30 [ 104.424372][ T4818] kobject_init_and_add+0x118/0x17c [ 104.425179][ T4818] gfs2_sys_fs_add+0x1dc/0x3d8 [ 104.425963][ T4818] gfs2_fill_super+0xdec/0x19ec [ 104.426665][ T4818] get_tree_bdev+0x358/0x544 [ 104.427384][ T4818] gfs2_get_tree+0x54/0x1b4 [ 104.428060][ T4818] vfs_get_tree+0x90/0x274 [ 104.428722][ T4818] do_new_mount+0x228/0x810 [ 104.429397][ T4818] path_mount+0x5b4/0xe78 [ 104.430035][ T4818] __arm64_sys_mount+0x49c/0x584 [ 104.430737][ T4818] invoke_syscall+0x98/0x2bc [ 104.431424][ T4818] el0_svc_common+0x138/0x258 [ 104.432157][ T4818] do_el0_svc+0x58/0x13c [ 104.432795][ T4818] el0_svc+0x58/0x138 [ 104.433365][ T4818] el0t_64_sync_handler+0x84/0xf0 [ 104.434076][ T4818] el0t_64_sync+0x18c/0x190 [ 104.436031][ T4818] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 104.438103][ T4818] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 104.563260][ T4820] loop1: detected capacity change from 0 to 32768 [ 104.569812][ T4820] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 104.571004][ T4820] CPU: 0 PID: 4820 Comm: syz.1.156 Tainted: G W syzkaller #0 [ 104.572377][ T4820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 104.573925][ T4820] Call trace: [ 104.574439][ T4820] dump_backtrace+0x1c8/0x1f4 [ 104.575153][ T4820] show_stack+0x2c/0x3c [ 104.575791][ T4820] __dump_stack+0x30/0x40 [ 104.576435][ T4820] dump_stack_lvl+0xf8/0x160 [ 104.577200][ T4820] dump_stack+0x1c/0x5c [ 104.577849][ T4820] sysfs_create_dir_ns+0x22c/0x24c [ 104.578666][ T4820] kobject_add_internal+0x5a8/0xb30 [ 104.579475][ T4820] kobject_init_and_add+0x118/0x17c [ 104.580207][ T4820] gfs2_sys_fs_add+0x1dc/0x3d8 [ 104.580945][ T4820] gfs2_fill_super+0xdec/0x19ec [ 104.581690][ T4820] get_tree_bdev+0x358/0x544 [ 104.582414][ T4820] gfs2_get_tree+0x54/0x1b4 [ 104.583095][ T4820] vfs_get_tree+0x90/0x274 [ 104.583700][ T4820] do_new_mount+0x228/0x810 [ 104.584397][ T4820] path_mount+0x5b4/0xe78 [ 104.585089][ T4820] __arm64_sys_mount+0x49c/0x584 [ 104.585846][ T4820] invoke_syscall+0x98/0x2bc [ 104.586552][ T4820] el0_svc_common+0x138/0x258 [ 104.587310][ T4820] do_el0_svc+0x58/0x13c [ 104.587967][ T4820] el0_svc+0x58/0x138 [ 104.588591][ T4820] el0t_64_sync_handler+0x84/0xf0 [ 104.589349][ T4820] el0t_64_sync+0x18c/0x190 [ 104.591329][ T4820] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 104.593492][ T4820] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 104.713085][ T4822] loop1: detected capacity change from 0 to 32768 [ 104.719156][ T4822] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 104.720275][ T4822] CPU: 1 PID: 4822 Comm: syz.1.157 Tainted: G W syzkaller #0 [ 104.721529][ T4822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 104.722992][ T4822] Call trace: [ 104.723497][ T4822] dump_backtrace+0x1c8/0x1f4 [ 104.724164][ T4822] show_stack+0x2c/0x3c [ 104.724841][ T4822] __dump_stack+0x30/0x40 [ 104.725500][ T4822] dump_stack_lvl+0xf8/0x160 [ 104.726200][ T4822] dump_stack+0x1c/0x5c [ 104.726829][ T4822] sysfs_create_dir_ns+0x22c/0x24c [ 104.727587][ T4822] kobject_add_internal+0x5a8/0xb30 [ 104.728650][ T4822] kobject_init_and_add+0x118/0x17c [ 104.729407][ T4822] gfs2_sys_fs_add+0x1dc/0x3d8 [ 104.730127][ T4822] gfs2_fill_super+0xdec/0x19ec [ 104.730838][ T4822] get_tree_bdev+0x358/0x544 [ 104.731466][ T4822] gfs2_get_tree+0x54/0x1b4 [ 104.732116][ T4822] vfs_get_tree+0x90/0x274 [ 104.732711][ T4822] do_new_mount+0x228/0x810 [ 104.733323][ T4822] path_mount+0x5b4/0xe78 [ 104.733961][ T4822] __arm64_sys_mount+0x49c/0x584 [ 104.734679][ T4822] invoke_syscall+0x98/0x2bc [ 104.735338][ T4822] el0_svc_common+0x138/0x258 [ 104.736013][ T4822] do_el0_svc+0x58/0x13c [ 104.736631][ T4822] el0_svc+0x58/0x138 [ 104.737241][ T4822] el0t_64_sync_handler+0x84/0xf0 [ 104.737952][ T4822] el0t_64_sync+0x18c/0x190 [ 104.738762][ T4822] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 104.740712][ T4822] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 104.858753][ T4824] loop1: detected capacity change from 0 to 32768 [ 104.860482][ T4824] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 104.861586][ T4824] CPU: 0 PID: 4824 Comm: syz.1.158 Tainted: G W syzkaller #0 [ 104.862865][ T4824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 104.864293][ T4824] Call trace: [ 104.864760][ T4824] dump_backtrace+0x1c8/0x1f4 [ 104.865467][ T4824] show_stack+0x2c/0x3c [ 104.866048][ T4824] __dump_stack+0x30/0x40 [ 104.866626][ T4824] dump_stack_lvl+0xf8/0x160 [ 104.867285][ T4824] dump_stack+0x1c/0x5c [ 104.867882][ T4824] sysfs_create_dir_ns+0x22c/0x24c [ 104.868649][ T4824] kobject_add_internal+0x5a8/0xb30 [ 104.869454][ T4824] kobject_init_and_add+0x118/0x17c [ 104.870261][ T4824] gfs2_sys_fs_add+0x1dc/0x3d8 [ 104.870939][ T4824] gfs2_fill_super+0xdec/0x19ec [ 104.871692][ T4824] get_tree_bdev+0x358/0x544 [ 104.872368][ T4824] gfs2_get_tree+0x54/0x1b4 [ 104.873081][ T4824] vfs_get_tree+0x90/0x274 [ 104.873747][ T4824] do_new_mount+0x228/0x810 [ 104.874407][ T4824] path_mount+0x5b4/0xe78 [ 104.875074][ T4824] __arm64_sys_mount+0x49c/0x584 [ 104.875825][ T4824] invoke_syscall+0x98/0x2bc [ 104.876473][ T4824] el0_svc_common+0x138/0x258 [ 104.877209][ T4824] do_el0_svc+0x58/0x13c [ 104.877777][ T4824] el0_svc+0x58/0x138 [ 104.878363][ T4824] el0t_64_sync_handler+0x84/0xf0 [ 104.879117][ T4824] el0t_64_sync+0x18c/0x190 [ 104.881636][ T4824] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 104.883716][ T4824] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 105.005238][ T4826] loop1: detected capacity change from 0 to 32768 [ 105.006944][ T4826] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 105.008202][ T4826] CPU: 0 PID: 4826 Comm: syz.1.159 Tainted: G W syzkaller #0 [ 105.009568][ T4826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 105.011114][ T4826] Call trace: [ 105.011614][ T4826] dump_backtrace+0x1c8/0x1f4 [ 105.012306][ T4826] show_stack+0x2c/0x3c [ 105.012901][ T4826] __dump_stack+0x30/0x40 [ 105.013576][ T4826] dump_stack_lvl+0xf8/0x160 [ 105.014284][ T4826] dump_stack+0x1c/0x5c [ 105.014906][ T4826] sysfs_create_dir_ns+0x22c/0x24c [ 105.015699][ T4826] kobject_add_internal+0x5a8/0xb30 [ 105.016503][ T4826] kobject_init_and_add+0x118/0x17c [ 105.017297][ T4826] gfs2_sys_fs_add+0x1dc/0x3d8 [ 105.018041][ T4826] gfs2_fill_super+0xdec/0x19ec [ 105.018745][ T4826] get_tree_bdev+0x358/0x544 [ 105.019416][ T4826] gfs2_get_tree+0x54/0x1b4 [ 105.020120][ T4826] vfs_get_tree+0x90/0x274 [ 105.020762][ T4826] do_new_mount+0x228/0x810 [ 105.021407][ T4826] path_mount+0x5b4/0xe78 [ 105.022046][ T4826] __arm64_sys_mount+0x49c/0x584 [ 105.022770][ T4826] invoke_syscall+0x98/0x2bc [ 105.023477][ T4826] el0_svc_common+0x138/0x258 [ 105.024244][ T4826] do_el0_svc+0x58/0x13c [ 105.024911][ T4826] el0_svc+0x58/0x138 [ 105.025523][ T4826] el0t_64_sync_handler+0x84/0xf0 [ 105.026288][ T4826] el0t_64_sync+0x18c/0x190 [ 105.027614][ T4826] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 105.029713][ T4826] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 105.150622][ T4828] loop1: detected capacity change from 0 to 32768 [ 105.156956][ T4828] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 105.158107][ T4828] CPU: 1 PID: 4828 Comm: syz.1.160 Tainted: G W syzkaller #0 [ 105.159394][ T4828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 105.160878][ T4828] Call trace: [ 105.161358][ T4828] dump_backtrace+0x1c8/0x1f4 [ 105.162035][ T4828] show_stack+0x2c/0x3c [ 105.162639][ T4828] __dump_stack+0x30/0x40 [ 105.163311][ T4828] dump_stack_lvl+0xf8/0x160 [ 105.163963][ T4828] dump_stack+0x1c/0x5c [ 105.164633][ T4828] sysfs_create_dir_ns+0x22c/0x24c [ 105.165390][ T4828] kobject_add_internal+0x5a8/0xb30 [ 105.166184][ T4828] kobject_init_and_add+0x118/0x17c [ 105.167006][ T4828] gfs2_sys_fs_add+0x1dc/0x3d8 [ 105.167738][ T4828] gfs2_fill_super+0xdec/0x19ec [ 105.168410][ T4828] get_tree_bdev+0x358/0x544 [ 105.169111][ T4828] gfs2_get_tree+0x54/0x1b4 [ 105.169826][ T4828] vfs_get_tree+0x90/0x274 [ 105.170502][ T4828] do_new_mount+0x228/0x810 [ 105.171191][ T4828] path_mount+0x5b4/0xe78 [ 105.171854][ T4828] __arm64_sys_mount+0x49c/0x584 [ 105.172567][ T4828] invoke_syscall+0x98/0x2bc [ 105.173259][ T4828] el0_svc_common+0x138/0x258 [ 105.173966][ T4828] do_el0_svc+0x58/0x13c [ 105.174596][ T4828] el0_svc+0x58/0x138 [ 105.175219][ T4828] el0t_64_sync_handler+0x84/0xf0 [ 105.175969][ T4828] el0t_64_sync+0x18c/0x190 [ 105.177862][ T4828] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 105.179827][ T4828] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 105.314898][ T4830] loop1: detected capacity change from 0 to 32768 [ 105.320654][ T4830] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 105.321834][ T4830] CPU: 0 PID: 4830 Comm: syz.1.161 Tainted: G W syzkaller #0 [ 105.323172][ T4830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 105.324712][ T4830] Call trace: [ 105.325243][ T4830] dump_backtrace+0x1c8/0x1f4 [ 105.325940][ T4830] show_stack+0x2c/0x3c [ 105.326598][ T4830] __dump_stack+0x30/0x40 [ 105.327272][ T4830] dump_stack_lvl+0xf8/0x160 [ 105.327956][ T4830] dump_stack+0x1c/0x5c [ 105.328627][ T4830] sysfs_create_dir_ns+0x22c/0x24c [ 105.329475][ T4830] kobject_add_internal+0x5a8/0xb30 [ 105.330268][ T4830] kobject_init_and_add+0x118/0x17c [ 105.331077][ T4830] gfs2_sys_fs_add+0x1dc/0x3d8 [ 105.331727][ T4830] gfs2_fill_super+0xdec/0x19ec [ 105.332445][ T4830] get_tree_bdev+0x358/0x544 [ 105.333126][ T4830] gfs2_get_tree+0x54/0x1b4 [ 105.333787][ T4830] vfs_get_tree+0x90/0x274 [ 105.334402][ T4830] do_new_mount+0x228/0x810 [ 105.335021][ T4830] path_mount+0x5b4/0xe78 [ 105.335614][ T4830] __arm64_sys_mount+0x49c/0x584 [ 105.336277][ T4830] invoke_syscall+0x98/0x2bc [ 105.336881][ T4830] el0_svc_common+0x138/0x258 [ 105.337542][ T4830] do_el0_svc+0x58/0x13c [ 105.338195][ T4830] el0_svc+0x58/0x138 [ 105.338741][ T4830] el0t_64_sync_handler+0x84/0xf0 [ 105.339485][ T4830] el0t_64_sync+0x18c/0x190 [ 105.341820][ T4830] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 105.343728][ T4830] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 105.471431][ T4832] loop1: detected capacity change from 0 to 32768 [ 105.479353][ T4832] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 105.480524][ T4832] CPU: 0 PID: 4832 Comm: syz.1.162 Tainted: G W syzkaller #0 [ 105.481908][ T4832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 105.483360][ T4832] Call trace: [ 105.483806][ T4832] dump_backtrace+0x1c8/0x1f4 [ 105.484425][ T4832] show_stack+0x2c/0x3c [ 105.485083][ T4832] __dump_stack+0x30/0x40 [ 105.485732][ T4832] dump_stack_lvl+0xf8/0x160 [ 105.486388][ T4832] dump_stack+0x1c/0x5c [ 105.486940][ T4832] sysfs_create_dir_ns+0x22c/0x24c [ 105.487654][ T4832] kobject_add_internal+0x5a8/0xb30 [ 105.488406][ T4832] kobject_init_and_add+0x118/0x17c [ 105.489185][ T4832] gfs2_sys_fs_add+0x1dc/0x3d8 [ 105.489890][ T4832] gfs2_fill_super+0xdec/0x19ec [ 105.490626][ T4832] get_tree_bdev+0x358/0x544 [ 105.491265][ T4832] gfs2_get_tree+0x54/0x1b4 [ 105.491886][ T4832] vfs_get_tree+0x90/0x274 [ 105.492521][ T4832] do_new_mount+0x228/0x810 [ 105.493172][ T4832] path_mount+0x5b4/0xe78 [ 105.493819][ T4832] __arm64_sys_mount+0x49c/0x584 [ 105.494588][ T4832] invoke_syscall+0x98/0x2bc [ 105.495291][ T4832] el0_svc_common+0x138/0x258 [ 105.495956][ T4832] do_el0_svc+0x58/0x13c [ 105.496578][ T4832] el0_svc+0x58/0x138 [ 105.497153][ T4832] el0t_64_sync_handler+0x84/0xf0 [ 105.497835][ T4832] el0t_64_sync+0x18c/0x190 [ 105.498643][ T4832] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 105.500622][ T4832] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 105.617798][ T4834] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 105.619009][ T4834] CPU: 1 PID: 4834 Comm: syz.1.163 Tainted: G W syzkaller #0 [ 105.620389][ T4834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 105.621883][ T4834] Call trace: [ 105.622361][ T4834] dump_backtrace+0x1c8/0x1f4 [ 105.623054][ T4834] show_stack+0x2c/0x3c [ 105.623663][ T4834] __dump_stack+0x30/0x40 [ 105.624331][ T4834] dump_stack_lvl+0xf8/0x160 [ 105.625004][ T4834] dump_stack+0x1c/0x5c [ 105.625594][ T4834] sysfs_create_dir_ns+0x22c/0x24c [ 105.626410][ T4834] kobject_add_internal+0x5a8/0xb30 [ 105.627170][ T4834] kobject_init_and_add+0x118/0x17c [ 105.627955][ T4834] gfs2_sys_fs_add+0x1dc/0x3d8 [ 105.628625][ T4834] gfs2_fill_super+0xdec/0x19ec [ 105.629313][ T4834] get_tree_bdev+0x358/0x544 [ 105.629986][ T4834] gfs2_get_tree+0x54/0x1b4 [ 105.630642][ T4834] vfs_get_tree+0x90/0x274 [ 105.631302][ T4834] do_new_mount+0x228/0x810 [ 105.631987][ T4834] path_mount+0x5b4/0xe78 [ 105.632734][ T4834] __arm64_sys_mount+0x49c/0x584 [ 105.633511][ T4834] invoke_syscall+0x98/0x2bc [ 105.634162][ T4834] el0_svc_common+0x138/0x258 [ 105.634818][ T4834] do_el0_svc+0x58/0x13c [ 105.635459][ T4834] el0_svc+0x58/0x138 [ 105.636035][ T4834] el0t_64_sync_handler+0x84/0xf0 [ 105.636768][ T4834] el0t_64_sync+0x18c/0x190 [ 105.638703][ T4834] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 105.640878][ T4834] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 105.780593][ T4836] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 105.781732][ T4836] CPU: 0 PID: 4836 Comm: syz.1.164 Tainted: G W syzkaller #0 [ 105.783038][ T4836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 105.784492][ T4836] Call trace: [ 105.785008][ T4836] dump_backtrace+0x1c8/0x1f4 [ 105.785730][ T4836] show_stack+0x2c/0x3c [ 105.786373][ T4836] __dump_stack+0x30/0x40 [ 105.787064][ T4836] dump_stack_lvl+0xf8/0x160 [ 105.787749][ T4836] dump_stack+0x1c/0x5c [ 105.788343][ T4836] sysfs_create_dir_ns+0x22c/0x24c [ 105.789144][ T4836] kobject_add_internal+0x5a8/0xb30 [ 105.789893][ T4836] kobject_init_and_add+0x118/0x17c [ 105.790698][ T4836] gfs2_sys_fs_add+0x1dc/0x3d8 [ 105.791398][ T4836] gfs2_fill_super+0xdec/0x19ec [ 105.792211][ T4836] get_tree_bdev+0x358/0x544 [ 105.792903][ T4836] gfs2_get_tree+0x54/0x1b4 [ 105.793568][ T4836] vfs_get_tree+0x90/0x274 [ 105.794195][ T4836] do_new_mount+0x228/0x810 [ 105.794846][ T4836] path_mount+0x5b4/0xe78 [ 105.795467][ T4836] __arm64_sys_mount+0x49c/0x584 [ 105.796243][ T4836] invoke_syscall+0x98/0x2bc [ 105.796935][ T4836] el0_svc_common+0x138/0x258 [ 105.797602][ T4836] do_el0_svc+0x58/0x13c [ 105.798246][ T4836] el0_svc+0x58/0x138 [ 105.798837][ T4836] el0t_64_sync_handler+0x84/0xf0 [ 105.799553][ T4836] el0t_64_sync+0x18c/0x190 [ 105.802097][ T4836] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 105.804153][ T4836] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 105.922888][ T4838] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 105.924090][ T4838] CPU: 1 PID: 4838 Comm: syz.1.165 Tainted: G W syzkaller #0 [ 105.925516][ T4838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 105.927006][ T4838] Call trace: [ 105.927510][ T4838] dump_backtrace+0x1c8/0x1f4 [ 105.928267][ T4838] show_stack+0x2c/0x3c [ 105.928925][ T4838] __dump_stack+0x30/0x40 [ 105.929579][ T4838] dump_stack_lvl+0xf8/0x160 [ 105.930289][ T4838] dump_stack+0x1c/0x5c [ 105.930952][ T4838] sysfs_create_dir_ns+0x22c/0x24c [ 105.931735][ T4838] kobject_add_internal+0x5a8/0xb30 [ 105.932502][ T4838] kobject_init_and_add+0x118/0x17c [ 105.933311][ T4838] gfs2_sys_fs_add+0x1dc/0x3d8 [ 105.934011][ T4838] gfs2_fill_super+0xdec/0x19ec [ 105.934775][ T4838] get_tree_bdev+0x358/0x544 [ 105.935511][ T4838] gfs2_get_tree+0x54/0x1b4 [ 105.936214][ T4838] vfs_get_tree+0x90/0x274 [ 105.936874][ T4838] do_new_mount+0x228/0x810 [ 105.937581][ T4838] path_mount+0x5b4/0xe78 [ 105.938287][ T4838] __arm64_sys_mount+0x49c/0x584 [ 105.939056][ T4838] invoke_syscall+0x98/0x2bc [ 105.939767][ T4838] el0_svc_common+0x138/0x258 [ 105.940394][ T4838] do_el0_svc+0x58/0x13c [ 105.940980][ T4838] el0_svc+0x58/0x138 [ 105.941539][ T4838] el0t_64_sync_handler+0x84/0xf0 [ 105.942213][ T4838] el0t_64_sync+0x18c/0x190 [ 105.944107][ T4838] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 105.946198][ T4838] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 106.067100][ T4840] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 106.068302][ T4840] CPU: 0 PID: 4840 Comm: syz.1.166 Tainted: G W syzkaller #0 [ 106.069515][ T4840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 106.071043][ T4840] Call trace: [ 106.071545][ T4840] dump_backtrace+0x1c8/0x1f4 [ 106.072179][ T4840] show_stack+0x2c/0x3c [ 106.072783][ T4840] __dump_stack+0x30/0x40 [ 106.073472][ T4840] dump_stack_lvl+0xf8/0x160 [ 106.074173][ T4840] dump_stack+0x1c/0x5c [ 106.074773][ T4840] sysfs_create_dir_ns+0x22c/0x24c [ 106.075564][ T4840] kobject_add_internal+0x5a8/0xb30 [ 106.076327][ T4840] kobject_init_and_add+0x118/0x17c [ 106.077125][ T4840] gfs2_sys_fs_add+0x1dc/0x3d8 [ 106.077836][ T4840] gfs2_fill_super+0xdec/0x19ec [ 106.078544][ T4840] get_tree_bdev+0x358/0x544 [ 106.079241][ T4840] gfs2_get_tree+0x54/0x1b4 [ 106.079916][ T4840] vfs_get_tree+0x90/0x274 [ 106.080662][ T4840] do_new_mount+0x228/0x810 [ 106.081362][ T4840] path_mount+0x5b4/0xe78 [ 106.082020][ T4840] __arm64_sys_mount+0x49c/0x584 [ 106.082836][ T4840] invoke_syscall+0x98/0x2bc [ 106.083633][ T4840] el0_svc_common+0x138/0x258 [ 106.084390][ T4840] do_el0_svc+0x58/0x13c [ 106.085050][ T4840] el0_svc+0x58/0x138 [ 106.085625][ T4840] el0t_64_sync_handler+0x84/0xf0 [ 106.086405][ T4840] el0t_64_sync+0x18c/0x190 [ 106.087307][ T4840] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 106.089283][ T4840] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 106.210031][ T4842] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 106.211189][ T4842] CPU: 1 PID: 4842 Comm: syz.1.167 Tainted: G W syzkaller #0 [ 106.212536][ T4842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 106.214097][ T4842] Call trace: [ 106.214596][ T4842] dump_backtrace+0x1c8/0x1f4 [ 106.215367][ T4842] show_stack+0x2c/0x3c [ 106.216039][ T4842] __dump_stack+0x30/0x40 [ 106.216715][ T4842] dump_stack_lvl+0xf8/0x160 [ 106.217419][ T4842] dump_stack+0x1c/0x5c [ 106.218094][ T4842] sysfs_create_dir_ns+0x22c/0x24c [ 106.218823][ T4842] kobject_add_internal+0x5a8/0xb30 [ 106.219650][ T4842] kobject_init_and_add+0x118/0x17c [ 106.220427][ T4842] gfs2_sys_fs_add+0x1dc/0x3d8 [ 106.221134][ T4842] gfs2_fill_super+0xdec/0x19ec [ 106.221887][ T4842] get_tree_bdev+0x358/0x544 [ 106.222617][ T4842] gfs2_get_tree+0x54/0x1b4 [ 106.223222][ T4842] vfs_get_tree+0x90/0x274 [ 106.223808][ T4842] do_new_mount+0x228/0x810 [ 106.224457][ T4842] path_mount+0x5b4/0xe78 [ 106.225086][ T4842] __arm64_sys_mount+0x49c/0x584 [ 106.225822][ T4842] invoke_syscall+0x98/0x2bc [ 106.226514][ T4842] el0_svc_common+0x138/0x258 [ 106.227198][ T4842] do_el0_svc+0x58/0x13c [ 106.227826][ T4842] el0_svc+0x58/0x138 [ 106.228377][ T4842] el0t_64_sync_handler+0x84/0xf0 [ 106.229069][ T4842] el0t_64_sync+0x18c/0x190 [ 106.229797][ T4842] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 106.231620][ T4842] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 106.362019][ T4844] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 106.363237][ T4844] CPU: 0 PID: 4844 Comm: syz.1.168 Tainted: G W syzkaller #0 [ 106.364666][ T4844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 106.366257][ T4844] Call trace: [ 106.366773][ T4844] dump_backtrace+0x1c8/0x1f4 [ 106.367565][ T4844] show_stack+0x2c/0x3c [ 106.368217][ T4844] __dump_stack+0x30/0x40 [ 106.368892][ T4844] dump_stack_lvl+0xf8/0x160 [ 106.369619][ T4844] dump_stack+0x1c/0x5c [ 106.370234][ T4844] sysfs_create_dir_ns+0x22c/0x24c [ 106.370998][ T4844] kobject_add_internal+0x5a8/0xb30 [ 106.371760][ T4844] kobject_init_and_add+0x118/0x17c [ 106.372611][ T4844] gfs2_sys_fs_add+0x1dc/0x3d8 [ 106.373329][ T4844] gfs2_fill_super+0xdec/0x19ec [ 106.374050][ T4844] get_tree_bdev+0x358/0x544 [ 106.374722][ T4844] gfs2_get_tree+0x54/0x1b4 [ 106.375392][ T4844] vfs_get_tree+0x90/0x274 [ 106.376031][ T4844] do_new_mount+0x228/0x810 [ 106.376738][ T4844] path_mount+0x5b4/0xe78 [ 106.377346][ T4844] __arm64_sys_mount+0x49c/0x584 [ 106.378071][ T4844] invoke_syscall+0x98/0x2bc [ 106.378726][ T4844] el0_svc_common+0x138/0x258 [ 106.379458][ T4844] do_el0_svc+0x58/0x13c [ 106.380089][ T4844] el0_svc+0x58/0x138 [ 106.380696][ T4844] el0t_64_sync_handler+0x84/0xf0 [ 106.381458][ T4844] el0t_64_sync+0x18c/0x190 [ 106.386108][ T4844] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 106.387925][ T4844] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 106.506507][ T4846] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 106.507591][ T4846] CPU: 1 PID: 4846 Comm: syz.1.169 Tainted: G W syzkaller #0 [ 106.508845][ T4846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 106.510281][ T4846] Call trace: [ 106.510749][ T4846] dump_backtrace+0x1c8/0x1f4 [ 106.511441][ T4846] show_stack+0x2c/0x3c [ 106.512084][ T4846] __dump_stack+0x30/0x40 [ 106.512761][ T4846] dump_stack_lvl+0xf8/0x160 [ 106.513436][ T4846] dump_stack+0x1c/0x5c [ 106.514018][ T4846] sysfs_create_dir_ns+0x22c/0x24c [ 106.514794][ T4846] kobject_add_internal+0x5a8/0xb30 [ 106.515549][ T4846] kobject_init_and_add+0x118/0x17c [ 106.516292][ T4846] gfs2_sys_fs_add+0x1dc/0x3d8 [ 106.516992][ T4846] gfs2_fill_super+0xdec/0x19ec [ 106.517790][ T4846] get_tree_bdev+0x358/0x544 [ 106.518477][ T4846] gfs2_get_tree+0x54/0x1b4 [ 106.519160][ T4846] vfs_get_tree+0x90/0x274 [ 106.519937][ T4846] do_new_mount+0x228/0x810 [ 106.520598][ T4846] path_mount+0x5b4/0xe78 [ 106.521228][ T4846] __arm64_sys_mount+0x49c/0x584 [ 106.522029][ T4846] invoke_syscall+0x98/0x2bc [ 106.522769][ T4846] el0_svc_common+0x138/0x258 [ 106.523513][ T4846] do_el0_svc+0x58/0x13c [ 106.524145][ T4846] el0_svc+0x58/0x138 [ 106.524787][ T4846] el0t_64_sync_handler+0x84/0xf0 [ 106.525638][ T4846] el0t_64_sync+0x18c/0x190 [ 106.527573][ T4846] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 106.529531][ T4846] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 106.649669][ T4848] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 106.650823][ T4848] CPU: 0 PID: 4848 Comm: syz.1.170 Tainted: G W syzkaller #0 [ 106.651925][ T4848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 106.653441][ T4848] Call trace: [ 106.653935][ T4848] dump_backtrace+0x1c8/0x1f4 [ 106.654627][ T4848] show_stack+0x2c/0x3c [ 106.655253][ T4848] __dump_stack+0x30/0x40 [ 106.655857][ T4848] dump_stack_lvl+0xf8/0x160 [ 106.656547][ T4848] dump_stack+0x1c/0x5c [ 106.657175][ T4848] sysfs_create_dir_ns+0x22c/0x24c [ 106.657935][ T4848] kobject_add_internal+0x5a8/0xb30 [ 106.658746][ T4848] kobject_init_and_add+0x118/0x17c [ 106.659525][ T4848] gfs2_sys_fs_add+0x1dc/0x3d8 [ 106.660276][ T4848] gfs2_fill_super+0xdec/0x19ec [ 106.660966][ T4848] get_tree_bdev+0x358/0x544 [ 106.661728][ T4848] gfs2_get_tree+0x54/0x1b4 [ 106.662429][ T4848] vfs_get_tree+0x90/0x274 [ 106.663102][ T4848] do_new_mount+0x228/0x810 [ 106.663777][ T4848] path_mount+0x5b4/0xe78 [ 106.664437][ T4848] __arm64_sys_mount+0x49c/0x584 [ 106.665261][ T4848] invoke_syscall+0x98/0x2bc [ 106.665923][ T4848] el0_svc_common+0x138/0x258 [ 106.666608][ T4848] do_el0_svc+0x58/0x13c [ 106.667233][ T4848] el0_svc+0x58/0x138 [ 106.667822][ T4848] el0t_64_sync_handler+0x84/0xf0 [ 106.668589][ T4848] el0t_64_sync+0x18c/0x190 [ 106.669468][ T4848] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 106.671244][ T4848] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 106.788944][ T4850] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 106.790160][ T4850] CPU: 1 PID: 4850 Comm: syz.1.171 Tainted: G W syzkaller #0 [ 106.791492][ T4850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 106.793052][ T4850] Call trace: [ 106.793611][ T4850] dump_backtrace+0x1c8/0x1f4 [ 106.794352][ T4850] show_stack+0x2c/0x3c [ 106.794983][ T4850] __dump_stack+0x30/0x40 [ 106.795623][ T4850] dump_stack_lvl+0xf8/0x160 [ 106.796350][ T4850] dump_stack+0x1c/0x5c [ 106.796971][ T4850] sysfs_create_dir_ns+0x22c/0x24c [ 106.797763][ T4850] kobject_add_internal+0x5a8/0xb30 [ 106.798537][ T4850] kobject_init_and_add+0x118/0x17c [ 106.799339][ T4850] gfs2_sys_fs_add+0x1dc/0x3d8 [ 106.800095][ T4850] gfs2_fill_super+0xdec/0x19ec [ 106.800812][ T4850] get_tree_bdev+0x358/0x544 [ 106.801459][ T4850] gfs2_get_tree+0x54/0x1b4 [ 106.802099][ T4850] vfs_get_tree+0x90/0x274 [ 106.802714][ T4850] do_new_mount+0x228/0x810 [ 106.803360][ T4850] path_mount+0x5b4/0xe78 [ 106.804028][ T4850] __arm64_sys_mount+0x49c/0x584 [ 106.804792][ T4850] invoke_syscall+0x98/0x2bc [ 106.805451][ T4850] el0_svc_common+0x138/0x258 [ 106.806133][ T4850] do_el0_svc+0x58/0x13c [ 106.806753][ T4850] el0_svc+0x58/0x138 [ 106.807416][ T4850] el0t_64_sync_handler+0x84/0xf0 [ 106.808191][ T4850] el0t_64_sync+0x18c/0x190 [ 106.810014][ T4850] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 106.811877][ T4850] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 106.935894][ T4852] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 106.937044][ T4852] CPU: 0 PID: 4852 Comm: syz.1.172 Tainted: G W syzkaller #0 [ 106.938311][ T4852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 106.939776][ T4852] Call trace: [ 106.940247][ T4852] dump_backtrace+0x1c8/0x1f4 [ 106.940850][ T4852] show_stack+0x2c/0x3c [ 106.941430][ T4852] __dump_stack+0x30/0x40 [ 106.942065][ T4852] dump_stack_lvl+0xf8/0x160 [ 106.942760][ T4852] dump_stack+0x1c/0x5c [ 106.943337][ T4852] sysfs_create_dir_ns+0x22c/0x24c [ 106.944041][ T4852] kobject_add_internal+0x5a8/0xb30 [ 106.944860][ T4852] kobject_init_and_add+0x118/0x17c [ 106.945604][ T4852] gfs2_sys_fs_add+0x1dc/0x3d8 [ 106.946320][ T4852] gfs2_fill_super+0xdec/0x19ec [ 106.947105][ T4852] get_tree_bdev+0x358/0x544 [ 106.947821][ T4852] gfs2_get_tree+0x54/0x1b4 [ 106.948532][ T4852] vfs_get_tree+0x90/0x274 [ 106.949138][ T4852] do_new_mount+0x228/0x810 [ 106.949747][ T4852] path_mount+0x5b4/0xe78 [ 106.950389][ T4852] __arm64_sys_mount+0x49c/0x584 [ 106.951097][ T4852] invoke_syscall+0x98/0x2bc [ 106.951737][ T4852] el0_svc_common+0x138/0x258 [ 106.952387][ T4852] do_el0_svc+0x58/0x13c [ 106.953005][ T4852] el0_svc+0x58/0x138 [ 106.953577][ T4852] el0t_64_sync_handler+0x84/0xf0 [ 106.954355][ T4852] el0t_64_sync+0x18c/0x190 [ 106.955196][ T4852] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 106.957146][ T4852] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 107.082024][ T4854] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 107.083201][ T4854] CPU: 1 PID: 4854 Comm: syz.1.173 Tainted: G W syzkaller #0 [ 107.084565][ T4854] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 107.086029][ T4854] Call trace: [ 107.086524][ T4854] dump_backtrace+0x1c8/0x1f4 [ 107.087193][ T4854] show_stack+0x2c/0x3c [ 107.087749][ T4854] __dump_stack+0x30/0x40 [ 107.088348][ T4854] dump_stack_lvl+0xf8/0x160 [ 107.089069][ T4854] dump_stack+0x1c/0x5c [ 107.089643][ T4854] sysfs_create_dir_ns+0x22c/0x24c [ 107.090350][ T4854] kobject_add_internal+0x5a8/0xb30 [ 107.091113][ T4854] kobject_init_and_add+0x118/0x17c [ 107.091830][ T4854] gfs2_sys_fs_add+0x1dc/0x3d8 [ 107.092505][ T4854] gfs2_fill_super+0xdec/0x19ec [ 107.093270][ T4854] get_tree_bdev+0x358/0x544 [ 107.093956][ T4854] gfs2_get_tree+0x54/0x1b4 [ 107.094609][ T4854] vfs_get_tree+0x90/0x274 [ 107.095272][ T4854] do_new_mount+0x228/0x810 [ 107.095960][ T4854] path_mount+0x5b4/0xe78 [ 107.096599][ T4854] __arm64_sys_mount+0x49c/0x584 [ 107.097309][ T4854] invoke_syscall+0x98/0x2bc [ 107.097963][ T4854] el0_svc_common+0x138/0x258 [ 107.098642][ T4854] do_el0_svc+0x58/0x13c [ 107.099283][ T4854] el0_svc+0x58/0x138 [ 107.099851][ T4854] el0t_64_sync_handler+0x84/0xf0 [ 107.100640][ T4854] el0t_64_sync+0x18c/0x190 [ 107.102560][ T4854] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 107.104590][ T4854] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 107.234701][ T4856] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 107.235942][ T4856] CPU: 0 PID: 4856 Comm: syz.1.174 Tainted: G W syzkaller #0 [ 107.237089][ T4856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 107.238468][ T4856] Call trace: [ 107.238956][ T4856] dump_backtrace+0x1c8/0x1f4 [ 107.239620][ T4856] show_stack+0x2c/0x3c [ 107.240214][ T4856] __dump_stack+0x30/0x40 [ 107.240823][ T4856] dump_stack_lvl+0xf8/0x160 [ 107.241441][ T4856] dump_stack+0x1c/0x5c [ 107.242002][ T4856] sysfs_create_dir_ns+0x22c/0x24c [ 107.242730][ T4856] kobject_add_internal+0x5a8/0xb30 [ 107.243458][ T4856] kobject_init_and_add+0x118/0x17c [ 107.244192][ T4856] gfs2_sys_fs_add+0x1dc/0x3d8 [ 107.244870][ T4856] gfs2_fill_super+0xdec/0x19ec [ 107.245544][ T4856] get_tree_bdev+0x358/0x544 [ 107.246207][ T4856] gfs2_get_tree+0x54/0x1b4 [ 107.246838][ T4856] vfs_get_tree+0x90/0x274 [ 107.247496][ T4856] do_new_mount+0x228/0x810 [ 107.248142][ T4856] path_mount+0x5b4/0xe78 [ 107.248777][ T4856] __arm64_sys_mount+0x49c/0x584 [ 107.249470][ T4856] invoke_syscall+0x98/0x2bc [ 107.250084][ T4856] el0_svc_common+0x138/0x258 [ 107.250763][ T4856] do_el0_svc+0x58/0x13c [ 107.251384][ T4856] el0_svc+0x58/0x138 [ 107.251953][ T4856] el0t_64_sync_handler+0x84/0xf0 [ 107.252676][ T4856] el0t_64_sync+0x18c/0x190 [ 107.253420][ T4856] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 107.255333][ T4856] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 107.384205][ T4858] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 107.385431][ T4858] CPU: 0 PID: 4858 Comm: syz.1.175 Tainted: G W syzkaller #0 [ 107.386716][ T4858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 107.388110][ T4858] Call trace: [ 107.388563][ T4858] dump_backtrace+0x1c8/0x1f4 [ 107.389238][ T4858] show_stack+0x2c/0x3c [ 107.389835][ T4858] __dump_stack+0x30/0x40 [ 107.390495][ T4858] dump_stack_lvl+0xf8/0x160 [ 107.391158][ T4858] dump_stack+0x1c/0x5c [ 107.391816][ T4858] sysfs_create_dir_ns+0x22c/0x24c [ 107.392546][ T4858] kobject_add_internal+0x5a8/0xb30 [ 107.393266][ T4858] kobject_init_and_add+0x118/0x17c [ 107.394016][ T4858] gfs2_sys_fs_add+0x1dc/0x3d8 [ 107.394748][ T4858] gfs2_fill_super+0xdec/0x19ec [ 107.395467][ T4858] get_tree_bdev+0x358/0x544 [ 107.396156][ T4858] gfs2_get_tree+0x54/0x1b4 [ 107.396854][ T4858] vfs_get_tree+0x90/0x274 [ 107.397508][ T4858] do_new_mount+0x228/0x810 [ 107.398174][ T4858] path_mount+0x5b4/0xe78 [ 107.398822][ T4858] __arm64_sys_mount+0x49c/0x584 [ 107.399559][ T4858] invoke_syscall+0x98/0x2bc [ 107.400219][ T4858] el0_svc_common+0x138/0x258 [ 107.400868][ T4858] do_el0_svc+0x58/0x13c [ 107.401488][ T4858] el0_svc+0x58/0x138 [ 107.402070][ T4858] el0t_64_sync_handler+0x84/0xf0 [ 107.402802][ T4858] el0t_64_sync+0x18c/0x190 [ 107.404683][ T4858] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 107.406719][ T4858] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 107.540282][ T4860] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 107.541568][ T4860] CPU: 0 PID: 4860 Comm: syz.1.176 Tainted: G W syzkaller #0 [ 107.543049][ T4860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 107.544566][ T4860] Call trace: [ 107.545096][ T4860] dump_backtrace+0x1c8/0x1f4 [ 107.545827][ T4860] show_stack+0x2c/0x3c [ 107.546461][ T4860] __dump_stack+0x30/0x40 [ 107.547087][ T4860] dump_stack_lvl+0xf8/0x160 [ 107.547809][ T4860] dump_stack+0x1c/0x5c [ 107.548447][ T4860] sysfs_create_dir_ns+0x22c/0x24c [ 107.549215][ T4860] kobject_add_internal+0x5a8/0xb30 [ 107.550084][ T4860] kobject_init_and_add+0x118/0x17c [ 107.550875][ T4860] gfs2_sys_fs_add+0x1dc/0x3d8 [ 107.551656][ T4860] gfs2_fill_super+0xdec/0x19ec [ 107.552411][ T4860] get_tree_bdev+0x358/0x544 [ 107.553086][ T4860] gfs2_get_tree+0x54/0x1b4 [ 107.553828][ T4860] vfs_get_tree+0x90/0x274 [ 107.554532][ T4860] do_new_mount+0x228/0x810 [ 107.555236][ T4860] path_mount+0x5b4/0xe78 [ 107.555893][ T4860] __arm64_sys_mount+0x49c/0x584 [ 107.556742][ T4860] invoke_syscall+0x98/0x2bc [ 107.557521][ T4860] el0_svc_common+0x138/0x258 [ 107.558323][ T4860] do_el0_svc+0x58/0x13c [ 107.559001][ T4860] el0_svc+0x58/0x138 [ 107.559635][ T4860] el0t_64_sync_handler+0x84/0xf0 [ 107.560396][ T4860] el0t_64_sync+0x18c/0x190 [ 107.562345][ T4860] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 107.564375][ T4860] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 107.686177][ T4862] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 107.687406][ T4862] CPU: 1 PID: 4862 Comm: syz.1.177 Tainted: G W syzkaller #0 [ 107.688849][ T4862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 107.690398][ T4862] Call trace: [ 107.690887][ T4862] dump_backtrace+0x1c8/0x1f4 [ 107.691647][ T4862] show_stack+0x2c/0x3c [ 107.692270][ T4862] __dump_stack+0x30/0x40 [ 107.692839][ T4862] dump_stack_lvl+0xf8/0x160 [ 107.693463][ T4862] dump_stack+0x1c/0x5c [ 107.694105][ T4862] sysfs_create_dir_ns+0x22c/0x24c [ 107.694952][ T4862] kobject_add_internal+0x5a8/0xb30 [ 107.695769][ T4862] kobject_init_and_add+0x118/0x17c [ 107.696600][ T4862] gfs2_sys_fs_add+0x1dc/0x3d8 [ 107.697319][ T4862] gfs2_fill_super+0xdec/0x19ec [ 107.698050][ T4862] get_tree_bdev+0x358/0x544 [ 107.698762][ T4862] gfs2_get_tree+0x54/0x1b4 [ 107.699516][ T4862] vfs_get_tree+0x90/0x274 [ 107.700217][ T4862] do_new_mount+0x228/0x810 [ 107.700932][ T4862] path_mount+0x5b4/0xe78 [ 107.701621][ T4862] __arm64_sys_mount+0x49c/0x584 [ 107.702278][ T4862] invoke_syscall+0x98/0x2bc [ 107.702960][ T4862] el0_svc_common+0x138/0x258 [ 107.703638][ T4862] do_el0_svc+0x58/0x13c [ 107.704290][ T4862] el0_svc+0x58/0x138 [ 107.704857][ T4862] el0t_64_sync_handler+0x84/0xf0 [ 107.705649][ T4862] el0t_64_sync+0x18c/0x190 [ 107.706413][ T4862] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 107.708277][ T4862] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 107.829246][ T4864] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 107.830322][ T4864] CPU: 0 PID: 4864 Comm: syz.1.178 Tainted: G W syzkaller #0 [ 107.831571][ T4864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 107.833152][ T4864] Call trace: [ 107.833678][ T4864] dump_backtrace+0x1c8/0x1f4 [ 107.834419][ T4864] show_stack+0x2c/0x3c [ 107.835019][ T4864] __dump_stack+0x30/0x40 [ 107.835706][ T4864] dump_stack_lvl+0xf8/0x160 [ 107.836414][ T4864] dump_stack+0x1c/0x5c [ 107.837078][ T4864] sysfs_create_dir_ns+0x22c/0x24c [ 107.837831][ T4864] kobject_add_internal+0x5a8/0xb30 [ 107.838508][ T4864] kobject_init_and_add+0x118/0x17c [ 107.839233][ T4864] gfs2_sys_fs_add+0x1dc/0x3d8 [ 107.839931][ T4864] gfs2_fill_super+0xdec/0x19ec [ 107.840672][ T4864] get_tree_bdev+0x358/0x544 [ 107.841320][ T4864] gfs2_get_tree+0x54/0x1b4 [ 107.841921][ T4864] vfs_get_tree+0x90/0x274 [ 107.842499][ T4864] do_new_mount+0x228/0x810 [ 107.843152][ T4864] path_mount+0x5b4/0xe78 [ 107.843813][ T4864] __arm64_sys_mount+0x49c/0x584 [ 107.844562][ T4864] invoke_syscall+0x98/0x2bc [ 107.845309][ T4864] el0_svc_common+0x138/0x258 [ 107.846016][ T4864] do_el0_svc+0x58/0x13c [ 107.846585][ T4864] el0_svc+0x58/0x138 [ 107.847198][ T4864] el0t_64_sync_handler+0x84/0xf0 [ 107.847944][ T4864] el0t_64_sync+0x18c/0x190 [ 107.848993][ T4864] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 107.851112][ T4864] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 107.972693][ T4866] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 107.973915][ T4866] CPU: 1 PID: 4866 Comm: syz.1.179 Tainted: G W syzkaller #0 [ 107.975339][ T4866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 107.976939][ T4866] Call trace: [ 107.977490][ T4866] dump_backtrace+0x1c8/0x1f4 [ 107.978225][ T4866] show_stack+0x2c/0x3c [ 107.978854][ T4866] __dump_stack+0x30/0x40 [ 107.979496][ T4866] dump_stack_lvl+0xf8/0x160 [ 107.980135][ T4866] dump_stack+0x1c/0x5c [ 107.980761][ T4866] sysfs_create_dir_ns+0x22c/0x24c [ 107.981510][ T4866] kobject_add_internal+0x5a8/0xb30 [ 107.982263][ T4866] kobject_init_and_add+0x118/0x17c [ 107.983027][ T4866] gfs2_sys_fs_add+0x1dc/0x3d8 [ 107.983745][ T4866] gfs2_fill_super+0xdec/0x19ec [ 107.984430][ T4866] get_tree_bdev+0x358/0x544 [ 107.985087][ T4866] gfs2_get_tree+0x54/0x1b4 [ 107.985704][ T4866] vfs_get_tree+0x90/0x274 [ 107.986396][ T4866] do_new_mount+0x228/0x810 [ 107.987069][ T4866] path_mount+0x5b4/0xe78 [ 107.987700][ T4866] __arm64_sys_mount+0x49c/0x584 [ 107.988405][ T4866] invoke_syscall+0x98/0x2bc [ 107.989028][ T4866] el0_svc_common+0x138/0x258 [ 107.989691][ T4866] do_el0_svc+0x58/0x13c [ 107.990324][ T4866] el0_svc+0x58/0x138 [ 107.990907][ T4866] el0t_64_sync_handler+0x84/0xf0 [ 107.991649][ T4866] el0t_64_sync+0x18c/0x190 [ 107.992463][ T4866] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 107.994611][ T4866] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 108.124845][ T4868] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 108.126088][ T4868] CPU: 0 PID: 4868 Comm: syz.1.180 Tainted: G W syzkaller #0 [ 108.127460][ T4868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 108.128948][ T4868] Call trace: [ 108.129483][ T4868] dump_backtrace+0x1c8/0x1f4 [ 108.130154][ T4868] show_stack+0x2c/0x3c [ 108.130793][ T4868] __dump_stack+0x30/0x40 [ 108.131411][ T4868] dump_stack_lvl+0xf8/0x160 [ 108.132113][ T4868] dump_stack+0x1c/0x5c [ 108.132747][ T4868] sysfs_create_dir_ns+0x22c/0x24c [ 108.133492][ T4868] kobject_add_internal+0x5a8/0xb30 [ 108.134243][ T4868] kobject_init_and_add+0x118/0x17c [ 108.134987][ T4868] gfs2_sys_fs_add+0x1dc/0x3d8 [ 108.135686][ T4868] gfs2_fill_super+0xdec/0x19ec [ 108.136351][ T4868] get_tree_bdev+0x358/0x544 [ 108.137014][ T4868] gfs2_get_tree+0x54/0x1b4 [ 108.137628][ T4868] vfs_get_tree+0x90/0x274 [ 108.138194][ T4868] do_new_mount+0x228/0x810 [ 108.138816][ T4868] path_mount+0x5b4/0xe78 [ 108.139418][ T4868] __arm64_sys_mount+0x49c/0x584 [ 108.140159][ T4868] invoke_syscall+0x98/0x2bc [ 108.140776][ T4868] el0_svc_common+0x138/0x258 [ 108.141413][ T4868] do_el0_svc+0x58/0x13c [ 108.142035][ T4868] el0_svc+0x58/0x138 [ 108.142617][ T4868] el0t_64_sync_handler+0x84/0xf0 [ 108.143368][ T4868] el0t_64_sync+0x18c/0x190 [ 108.145395][ T4868] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 108.147337][ T4868] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 108.266472][ T4870] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 108.267732][ T4870] CPU: 1 PID: 4870 Comm: syz.1.181 Tainted: G W syzkaller #0 [ 108.269103][ T4870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 108.270611][ T4870] Call trace: [ 108.271110][ T4870] dump_backtrace+0x1c8/0x1f4 [ 108.271851][ T4870] show_stack+0x2c/0x3c [ 108.272538][ T4870] __dump_stack+0x30/0x40 [ 108.273242][ T4870] dump_stack_lvl+0xf8/0x160 [ 108.273944][ T4870] dump_stack+0x1c/0x5c [ 108.274612][ T4870] sysfs_create_dir_ns+0x22c/0x24c [ 108.275428][ T4870] kobject_add_internal+0x5a8/0xb30 [ 108.276282][ T4870] kobject_init_and_add+0x118/0x17c [ 108.277116][ T4870] gfs2_sys_fs_add+0x1dc/0x3d8 [ 108.277857][ T4870] gfs2_fill_super+0xdec/0x19ec [ 108.278633][ T4870] get_tree_bdev+0x358/0x544 [ 108.279326][ T4870] gfs2_get_tree+0x54/0x1b4 [ 108.280030][ T4870] vfs_get_tree+0x90/0x274 [ 108.280670][ T4870] do_new_mount+0x228/0x810 [ 108.281359][ T4870] path_mount+0x5b4/0xe78 [ 108.281992][ T4870] __arm64_sys_mount+0x49c/0x584 [ 108.282751][ T4870] invoke_syscall+0x98/0x2bc [ 108.283424][ T4870] el0_svc_common+0x138/0x258 [ 108.284122][ T4870] do_el0_svc+0x58/0x13c [ 108.284769][ T4870] el0_svc+0x58/0x138 [ 108.285333][ T4870] el0t_64_sync_handler+0x84/0xf0 [ 108.286065][ T4870] el0t_64_sync+0x18c/0x190 [ 108.288002][ T4870] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 108.290011][ T4870] gfs2: fsid=syz:syz: error -17 adding sysfs files